OpenTechnical

OT-2026-000053120

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053120) never changes.

Identity and time

Publication numberOT-2026-000053120 · never reused
Internal UUID01a0ae84-a431-78c0-bff0-e5949e9e6ef3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053120
StatusPUBLIC

Content hashes

Canonical text617ee29546a81b18d0f6be456be040d64f9cd981fa3246754678718c636558ef
Markdown4c8adfa58ccbd92bfcc1259f2333ccf1cb809b70ed7076b995ad407888f5f515
PDF
Publication page0ce60e822f8009420eb8f8fc7f3988e32766535fb98afd084d86c35a3fe9168b
Manifest5417980b921c246280fcb6c9542be22dbc4839233fb820658d21454f40488264

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureYr66a5JVv2yVw9dPhe0MO5aKuXYV58NQUrgAbwGxE5gLGsBecxokKJ8HH7+W8KfMIWxG2j7UTw/o7KflfzK3Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-18T12:41:47.383289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120
observed 0ce60e822f8009420eb8f8fc7f3988e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T12:41:47.331718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120/manifest.json
observed 5417980b921c246280fcb6c9542be22d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T12:41:47.286234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120/publication.md
observed 4c8adfa58ccbd92bfcc1259f2333ccf1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T12:41:47.234142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120/publication.txt
observed 617ee29546a81b18d0f6be456be040d6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.870561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120
observed 0ce60e822f8009420eb8f8fc7f3988e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.853392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120/manifest.json
observed 5417980b921c246280fcb6c9542be22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.835574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120/publication.md
observed 4c8adfa58ccbd92bfcc1259f2333ccf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.818590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053120/publication.txt
observed 617ee29546a81b18d0f6be456be040d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent