OpenTechnical

OT-2026-000057131

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057131) never changes.

Identity and time

Publication numberOT-2026-000057131 · never reused
Internal UUID01a0ae87-d5b9-7a74-ba25-8a949360e0bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057131
StatusPUBLIC

Content hashes

Canonical text39ace8a3b11561adfdf8325b7c505ac7476d256bb42c30a4fec731c3c8f382f3
Markdownf2cff1eb67b3278bddc7a29890220d7ca91fdd8727ea735387258fdb2c294249
PDF
Publication page0a4ca03adf1fc5e6b1f42da8b45469a75e8b24c5076a2cbdcfc6b4143bdb5aa2
Manifestd343bd814bdb209be1f6f6921b0c8182c2c22a6a5247a8041541e6f6ff014c0c

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
SignatureOONoq+cO9XaE6ew1B95HTNX+1te6O+s22ub+FdpR0niJeh6tW0nr+7EssiwYxw8xw8JgKjh75xVwpxehfAGNCg==
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

2026-09-17T10:50:06.558975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131
observed 0a4ca03adf1fc5e6b1f42da8b45469a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.540428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131/manifest.json
observed d343bd814bdb209be1f6f6921b0c8182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.516673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131/publication.md
observed f2cff1eb67b3278bddc7a29890220d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.463920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131/publication.txt
observed 39ace8a3b11561adfdf8325b7c505ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.185227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131
observed 0a4ca03adf1fc5e6b1f42da8b45469a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.167534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131/manifest.json
observed d343bd814bdb209be1f6f6921b0c8182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.123477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131/publication.md
observed f2cff1eb67b3278bddc7a29890220d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.077188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057131/publication.txt
observed 39ace8a3b11561adfdf8325b7c505ac7...
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

Custody packagePending Custody packages are produced weekly.