OpenTechnical

OT-2026-000031695

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000031695) never changes.

Identity and time

Publication numberOT-2026-000031695 · never reused
Internal UUID01a0ae74-bad0-7340-8e39-7c62adcdc4a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031695
StatusPUBLIC

Content hashes

Canonical text12b825349a2e623856dd0a790edb89eb8a7d8ad807dc1d391ae73a1b390e588f
Markdown0ee64f7a3e69789f0c605b3ffe4dbd45150a54c6d821166c3d0c5a0589d570e6
PDF
Publication pageb616f5f211e2242517f38a9abb168da77f8e46a7ee58f7f961d1f094794f2ad2
Manifestca2a3448ecde54f453c02aeb706670158fb243a681d39232d945c4472e00af66

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
SignaturepQCWIf1Xzk3gJ31kmCXV4OgvuGoc64Htxm+4Llsgz+h73O05L+ILXn1+Z9NyxbqKsfkRwZ347Nw0SARfL3FiDQ==
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

2026-09-17T11:34:48.035841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031695
observed b616f5f211e2242517f38a9abb168da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.016491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031695/manifest.json
observed ca2a3448ecde54f453c02aeb70667015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.998945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031695/publication.md
observed 0ee64f7a3e69789f0c605b3ffe4dbd45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.982413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031695/publication.txt
observed 12b825349a2e623856dd0a790edb89eb...
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.