OpenTechnical

OT-2026-000076998

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000076998) never changes.

Identity and time

Publication numberOT-2026-000076998 · never reused
Internal UUID01a0ae94-b071-767f-9211-4eeca3faa070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076998
StatusPUBLIC

Content hashes

Canonical text43078a9bc1bc23c3b911f871dbff7329fd33d2359ea7749a30e991a21998fdb8
Markdowne284d6159659d80cb25366a9ed0f459dc420e40bb31e07b961f033f73c371442
PDF
Publication page6fefa1c7cf2aca0dba5acba2a3a5ef024bb69e5653124442addad064dd4feb08
Manifest391d21dc25317e3acb37f048d5db23eaadcc4c1101d6a39b2aad682c00930009

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
SignaturecfP7iMC4AqMPgAFW86uTpYfxq6hOrx2BsOMIdPwhAfuKkHtUZeKZHzcB81y8u5SQt2AMV1AVClA9ex1ZemzKCg==
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

2026-09-17T10:10:19.795282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076998
observed 6fefa1c7cf2aca0dba5acba2a3a5ef02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.776932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076998/manifest.json
observed 391d21dc25317e3acb37f048d5db23ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.757544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076998/publication.md
observed e284d6159659d80cb25366a9ed0f459d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:19.737700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076998/publication.txt
observed 43078a9bc1bc23c3b911f871dbff7329...
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.