OpenTechnical

OT-2026-000083476

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000083476) never changes.

Identity and time

Publication numberOT-2026-000083476 · never reused
Internal UUID01a0ae97-c965-7d9e-aa46-df07c8c21a28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083476
StatusPUBLIC

Content hashes

Canonical text15ff2ede4afbca94d40532ecd60d3c2fa3eabf654f141ad134a730fae1e8b8bb
Markdowna8b9ebc562ef29cff9be4214a620b4425fc922a7efbeeecb82d228e365e45ed8
PDF
Publication pagef7d502e1c3e1f20f044aa78bd94b1bd4589e0d32b08dd4f34ccb1d5591c6b57c
Manifeste75c09deb660a9561004aebf04f5b3e0a31197cecd9051b433ff3e218b2b1063

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
SignaturewT9Ux7D2varqnDtwPP9Um4AVi42wV1gPQHHsSIXDPguMFfFcAmCl33SPMwaIbH5dpR0g4TVWb+R977Fxlm3DCw==
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

2026-09-17T09:57:53.923484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083476
observed f7d502e1c3e1f20f044aa78bd94b1bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.906685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083476/manifest.json
observed e75c09deb660a9561004aebf04f5b3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.890827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083476/publication.md
observed a8b9ebc562ef29cff9be4214a620b442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.875379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083476/publication.txt
observed 15ff2ede4afbca94d40532ecd60d3c2f...
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.