OpenTechnical

OT-2026-000081456

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000081456) never changes.

Identity and time

Publication numberOT-2026-000081456 · never reused
Internal UUID01a0ae96-f375-7cb9-a1a2-81647ccba21f · 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-2026-000081456
StatusPUBLIC

Content hashes

Canonical texte08d87dc4646c688d0b3bfce0233fbcdad976c38c48b3dec3fd8b2f7e33f0050
Markdown5e8edf4f08e683548ffeaf4b75a67396e4d6f99b274f498cf937a032ec4c7de0
PDF
Publication page2dc4c98852bc3e46c287a5dd3f4fbf290a9b9ae8dc55057d34d48e66f7b702a8
Manifestcd02c15062475f45a8dbb25a745b30b0b36b449e55008fdcc2288243e7b82f21

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
SignaturelCJ3CztSRBNgwIz83kGIiH3t2Zfwje57DGm0w0ZJbi2yaKyMg5vWTEtTnaymbth0U2iJ2y4seaicmI5qtXnxCA==
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

2026-09-17T10:01:37.106545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081456
observed 2dc4c98852bc3e46c287a5dd3f4fbf29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.089425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081456/manifest.json
observed cd02c15062475f45a8dbb25a745b30b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.071897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081456/publication.md
observed 5e8edf4f08e683548ffeaf4b75a67396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.054550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081456/publication.txt
observed e08d87dc4646c688d0b3bfce0233fbcd...
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.