OpenTechnical

OT-2026-000081434

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000081434) never changes.

Identity and time

Publication numberOT-2026-000081434 · never reused
Internal UUID01a0ae96-f375-7ed4-978c-ae917c433f5c · 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-2026-000081434
StatusPUBLIC

Content hashes

Canonical text9f5f027eaa6aa920d1b847bddf7849f072aa96b58cd2339b00b454bc8db60bc2
Markdown77dd0b5d72713884add12c6f0e877cea422d06fed9c295b5b4400ba8f50940b2
PDF
Publication pagea8d942aea13b1f597c81a5bd3dffe2a2c21a3f6f1474e1ab02343d6bb098b460
Manifeste75170618e699a640dcae687f7048709da8758a6bccc7e46b12b31162e8cd636

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
Signature+JvvRHdQZhZsTERiryFYvGeJVMNdrJsnN6lp7mPMOTaal4WfZq5OLLb3oDV8tieMc39Yv4Lb7PIysy/h81CGCg==
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

2026-09-17T10:01:35.500918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081434
observed a8d942aea13b1f597c81a5bd3dffe2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.481320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081434/manifest.json
observed e75170618e699a640dcae687f7048709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.461786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081434/publication.md
observed 77dd0b5d72713884add12c6f0e877cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.441233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081434/publication.txt
observed 9f5f027eaa6aa920d1b847bddf7849f0...
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.