OpenTechnical

OT-2026-000034949

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000034949) never changes.

Identity and time

Publication numberOT-2026-000034949 · never reused
Internal UUID01a0ae76-1ed4-742d-94a2-9da847df83f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034949
StatusPUBLIC

Content hashes

Canonical text9b28502fa362c3dd9e3631eb9d3de3aee922181ffc07ab45b94b467e051a93de
Markdown7a32fbeffb302f35881d3e7719d9937af96b1875721d3847d0c797f22cf4d5d3
PDF
Publication page8b0ad1aac65e02be52727c7927000fb647dc42751402d66d87880c95efb50c88
Manifest973188eda61b0373cc918c016ed7ee75908b7ed6f0ba71d39b15373b6a2035cd

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
Signaturep4LqDfN0aSuIBcNQVKMx8iAuJ2Ww7v9KImfwh3PrSjvb0v0Y39LIITBE0zugtW3FEFsVmf+SffUNhoLMj2sjDg==
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

2026-09-17T11:30:44.707993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949
observed 8b0ad1aac65e02be52727c7927000fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.687967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949/manifest.json
observed 973188eda61b0373cc918c016ed7ee75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.670423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949/publication.md
observed 7a32fbeffb302f35881d3e7719d9937a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.653247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949/publication.txt
observed 9b28502fa362c3dd9e3631eb9d3de3ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.403047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949
observed 8b0ad1aac65e02be52727c7927000fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.386325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949/manifest.json
observed 973188eda61b0373cc918c016ed7ee75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.369897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949/publication.md
observed 7a32fbeffb302f35881d3e7719d9937a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.353910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034949/publication.txt
observed 9b28502fa362c3dd9e3631eb9d3de3ae...
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.