OpenTechnical

OT-2026-000073686

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000073686) never changes.

Identity and time

Publication numberOT-2026-000073686 · never reused
Internal UUID01a0ae93-2b8c-7e93-aa7b-9be21536da67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073686
StatusPUBLIC

Content hashes

Canonical text016ac038d50cda363b1b155731646ecfc8a552df1a39a1020d1e4b4a0c1bf0fa
Markdown1c1a5413b032e39867eede2069c1a297d4e0c14af4eaeae138cceb34c248e5b3
PDF
Publication paged316e87f1612894d2dcd3fb77718d9284f909be213a2d78183920d291b9570ba
Manifest1e9fa0c83d82210e5eed2f0d229a90a83fd82969f46d3bb1a3e469e4b9ebf399

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
Signaturec3bqtYfXXl+vY1iJLqx5swJnllVDPm20KlagGIWnsUYxAYSO7Smc9DiKBf1z3x/p9nXmmrXRQOaJ8MJTfvLVAw==
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

2026-09-17T10:19:44.830664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073686
observed d316e87f1612894d2dcd3fb77718d928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.811286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073686/manifest.json
observed 1e9fa0c83d82210e5eed2f0d229a90a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.793430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073686/publication.md
observed 1c1a5413b032e39867eede2069c1a297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.772821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073686/publication.txt
observed 016ac038d50cda363b1b155731646ecf...
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.