OpenTechnical

OT-2026-000035740

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000035740) never changes.

Identity and time

Publication numberOT-2026-000035740 · never reused
Internal UUID01a0ae76-b4c8-7a21-8c15-10a2c98f7d50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035740
StatusPUBLIC

Content hashes

Canonical textd554c805788aca8d7b389411486366554d518834f48f7c82d564969bb4160126
Markdownfc986f17972cb422d46a2001d4c22a95f4f048e9d8ba3b43728f584e500306fb
PDF
Publication page21f5bf64a0dea8b03bc19be3aac3afbbffd057ce43e9ac2bd2667478b18c6849
Manifest8d9d0a123775b65fb961bb28a7c6863a6827fe478b17fba8d2a15e9944c66ae5

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
Signature6DPpuLosPsqd5uCkZsUsolqrV3iMH/zVm16MocrCkq4F1L9qoxsJOxr0LEBc3ssQEi/9h5FYHWESKAnTic23Aw==
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

2026-09-17T11:27:25.786874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035740
observed 21f5bf64a0dea8b03bc19be3aac3afbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:25.768591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035740/manifest.json
observed 8d9d0a123775b65fb961bb28a7c6863a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:25.748903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035740/publication.md
observed fc986f17972cb422d46a2001d4c22a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:25.731476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035740/publication.txt
observed d554c805788aca8d7b38941148636655...
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.