OpenTechnical

OT-2026-000057275

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000057275) never changes.

Identity and time

Publication numberOT-2026-000057275 · never reused
Internal UUID01a0ae87-d5bc-7619-b3a8-ec5be1aaa772 · 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-2026-000057275
StatusPUBLIC

Content hashes

Canonical texta2337a70cff4a65fae7d0113bdde9e32c3be5788e9b964891cfd3d48202e1e47
Markdown55d59f3c8c8affccbe1609d36c3dc9192562eb31df331cad0064ebb32de3d782
PDF
Publication page446a74ed17774a131808c08605116f5b0cdd39fb2508205c841e5d8959217787
Manifest6b88630feddec3e97fa3cc3066bb7a909653db8ae9359740c7ac8ee7e516ad0d

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
SignaturevKASEI2ysZkpdve+vHePtMIRa8Q+n0JI9Cdied369rkkJYA6naJHzRcMq445v1kYpimfHc6e1QERjejOK2hBCw==
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

2026-09-17T10:50:21.011504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275
observed 446a74ed17774a131808c08605116f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.991376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275/manifest.json
observed 6b88630feddec3e97fa3cc3066bb7a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.972834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275/publication.md
observed 55d59f3c8c8affccbe1609d36c3dc919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.954000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275/publication.txt
observed a2337a70cff4a65fae7d0113bdde9e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.637513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275
observed 446a74ed17774a131808c08605116f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.619726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275/manifest.json
observed 6b88630feddec3e97fa3cc3066bb7a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.603088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275/publication.md
observed 55d59f3c8c8affccbe1609d36c3dc919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:31.586045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057275/publication.txt
observed a2337a70cff4a65fae7d0113bdde9e32...
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.