OpenTechnical

OT-2026-000077776

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000077776) never changes.

Identity and time

Publication numberOT-2026-000077776 · never reused
Internal UUID01a0ae95-2ed0-79a6-9fef-325bd17e439a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077776
StatusPUBLIC

Content hashes

Canonical text79217b5024c3d6b15e7d56ec7f73dafbde1e8b7ee4ffa27b4ae015d6de9b1ea6
Markdownba908c3014f860464afb78dff64d1928a08f535e399ce098ae0ab7fec28b349c
PDF
Publication page596bf30ac848a08e379561f0c5ef63b9dd1b254ba70b0c0a20b3d49f222959da
Manifest5ae106f19c3e41532b1bdb386c3fa962f34604356c17252760d95d669f8d7dbb

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
SignatureSmzhB6BLFMCcFCAhJXk2mBvF+E+msiLNoSes1Opok6GgULIIR0x/rXczI3fGmxQfJxSnaXnHqKywAbJUF8/OBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:57.006298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077776
observed 596bf30ac848a08e379561f0c5ef63b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.988008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077776/manifest.json
observed 5ae106f19c3e41532b1bdb386c3fa962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.970856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077776/publication.md
observed ba908c3014f860464afb78dff64d1928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.953508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077776/publication.txt
observed 79217b5024c3d6b15e7d56ec7f73dafb...
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.