OpenTechnical

OT-2026-000016016

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000016016) never changes.

Identity and time

Publication numberOT-2026-000016016 · never reused
Internal UUID01a0ae6e-0c4d-7bfe-898b-274f14675d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016016
StatusPUBLIC

Content hashes

Canonical text2b5f1abcd683627327dc5014cfdab4df65cc7dc308d1780e463907a1cedae7ed
Markdown3bfc1a708fa98cb08cab60d97e0aef0e3f4a427e4ec3a4e19ce77069f1a6e208
PDF
Publication page3f9673acdb02b18914584a1507c1e408a23891bcf4d19cfa3f572dc150b710fe
Manifest2336ab19ba389c15cc32e7565687d6689512b1fca65397bb4cb13de00aaf128f

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
SignatureyKpjWE5Sa5zg6cja/0IIuPy7wo+f5s0NCd6yOtT5at51EfhrQi1Q/t7fr3Yoz6NnuwkNz3F594E2Jaxns4HmDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:05:33.512377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016016
observed 3f9673acdb02b18914584a1507c1e408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.489138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016016/manifest.json
observed 2336ab19ba389c15cc32e7565687d668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.465752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016016/publication.md
observed 3bfc1a708fa98cb08cab60d97e0aef0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.439783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016016/publication.txt
observed 2b5f1abcd683627327dc5014cfdab4df...
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.