OpenTechnical

OT-2026-000081238

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000081238) never changes.

Identity and time

Publication numberOT-2026-000081238 · never reused
Internal UUID01a0ae96-f373-7c40-a573-0f026f108db9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081238
StatusPUBLIC

Content hashes

Canonical textd9704748d33a9296ed2f0a06f257f0e12ed36b0ce221fd5df9c8c788f080810a
Markdown63d0509e06c2d4f6ce520739fa194cc00ee530c40bb024ed1fed2d2fdf882748
PDF
Publication page3abafd1769a372adce1bbab1a22532889bb81f8fd675956222ab1d9a108d79e7
Manifest8067b2e202badac2cda32d1c4d6fa87ca03d86306e27be056277ae6895e55027

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
SignaturepX0nuX1dYTU2SrG5vJ7gKq8YnvQC6FYMIEwUshQEsSvG6gzg0CLp8qbwZoRQFE4Za4eV3JM25zoSKb+E3cCpBQ==
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

2026-09-17T10:01:19.587808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081238
observed 3abafd1769a372adce1bbab1a2253288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.570413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081238/manifest.json
observed 8067b2e202badac2cda32d1c4d6fa87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.552593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081238/publication.md
observed 63d0509e06c2d4f6ce520739fa194cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.533854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081238/publication.txt
observed d9704748d33a9296ed2f0a06f257f0e1...
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.