OpenTechnical

OT-2026-000071895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000071895) never changes.

Identity and time

Publication numberOT-2026-000071895 · never reused
Internal UUID01a0ae92-47c0-7f0d-be03-399db672b0ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071895
StatusPUBLIC

Content hashes

Canonical text5b4615fae99a3706ec499a5f2f22529fda583ab076b721bbf7dc7097e8cb40ac
Markdown8ffd0eda1e7b97a23b536c1b26670aebecb7f5931adb2d5f8586667d38ce847c
PDF
Publication pagec00d1f0f112d01367a3d8e438b1e8d2a055e04de59475adb212f2db92e30e493
Manifested2dc496373b92d6f0b0d0bee68333c5df1934c778a22fc722f708adb784faeb

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
SignatureM+arlamZNEBJuSrDTwywxPgKLpXOeGp8/Vl0BN/chsJHRNfFCviq57TBquB0Gq9J0soNxVW2AKBcnACLjcU5Cw==
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

2026-09-17T10:22:55.067949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071895
observed c00d1f0f112d01367a3d8e438b1e8d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.046235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071895/manifest.json
observed ed2dc496373b92d6f0b0d0bee68333c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.024635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071895/publication.md
observed 8ffd0eda1e7b97a23b536c1b26670aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.002840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071895/publication.txt
observed 5b4615fae99a3706ec499a5f2f22529f...
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.