OpenTechnical

OT-2026-000077587

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077587) never changes.

Identity and time

Publication numberOT-2026-000077587 · never reused
Internal UUID01a0ae95-2ece-7ff7-8c30-77511bbbe39f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077587
StatusPUBLIC

Content hashes

Canonical textbb399285acbfa15155411279cbd5bf511293b35622c9e02f387a35fc4fc5741b
Markdownb1d7569df5a644926c80e1f38dfa3c7fa5c5f0c74ebd9b61f10218b14e0ea898
PDF
Publication pagebf2c3dbfac91590c63966101c46b8923b584c53feb8e91f15fbce5bb356a64e6
Manifestd44855f824b5b4d7f5b5092556f7a7994dbe9c6b85883935ef9cdf814b4b2ce7

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
Signature8M0Jd75BOdnVZG6A5U4YiPbrGpjPjx4VTIXGJnLJ9ral4oHdq6hcM2vkaMhm7OiDYbgepmwrV9m6xKr27ERVDQ==
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

2026-09-17T10:07:04.119634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077587
observed bf2c3dbfac91590c63966101c46b8923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.096992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077587/manifest.json
observed d44855f824b5b4d7f5b5092556f7a799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.076497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077587/publication.md
observed b1d7569df5a644926c80e1f38dfa3c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.057186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077587/publication.txt
observed bb399285acbfa15155411279cbd5bf51...
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.