OpenTechnical

OT-2026-000036729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000036729) never changes.

Identity and time

Publication numberOT-2026-000036729 · never reused
Internal UUID01a0ae77-46e8-76e6-8c04-5a7f23a65652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036729
StatusPUBLIC

Content hashes

Canonical texte36d6229a7cb6b17d8ca2f840a45e1b47cab3cc88e196e39c8c35d655fa99318
Markdown73fe6e514e092f38b3821ece36ee7beef65ec1b9b0233e701775b0df2d3dc2af
PDF
Publication page77518cd3bd2afc9c95311378607d5b1cb0702e58b88986c28824277d8f872f1f
Manifest6399a7e4e70ad226c35f1b801f85ae0583330d46a766d6b19a294fc2ca061fee

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
SignatureD6XlWWdfezzIHQr8xMVRDIQtpFmjLtTkCyYcUITdpmmrCXXuD+jArpnXV8L95rsOslU8VQYMlyAt2akDBq+XCw==
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

2026-09-17T11:26:05.621754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036729
observed 77518cd3bd2afc9c95311378607d5b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:05.604868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036729/manifest.json
observed 6399a7e4e70ad226c35f1b801f85ae05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:05.588369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036729/publication.md
observed 73fe6e514e092f38b3821ece36ee7bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:05.571602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036729/publication.txt
observed e36d6229a7cb6b17d8ca2f840a45e1b4...
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.