OpenTechnical

OT-2026-000076487

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000076487) never changes.

Identity and time

Publication numberOT-2026-000076487 · never reused
Internal UUID01a0ae94-6a71-7bac-94ef-309f4ed75b39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076487
StatusPUBLIC

Content hashes

Canonical text807a775cfa670277975db96a2ea937bb2d2b704864e50be7ca9abf12eadde35d
Markdownb84a001e89ad9042bab4b3a756bd87f70598768157f142f5580729d947b8c226
PDF
Publication page0ac521b8e370bc6d35822d0b1a2440db3ed0044955a771703d1cce40483fd033
Manifestb14cc0506fa91d304d9502ac382fe073268b7d941726bc946143b9f375891fbd

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
Signature2n8w7PajYDA7ylxE3K0vktSoIx15u8RnRcPljI8t2QejyuH/Ap4y2BY8ogpwBpLV1adGyOyB23gH4x3d/tKLAg==
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

2026-09-17T10:12:43.048588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076487
observed 0ac521b8e370bc6d35822d0b1a2440db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:43.029366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076487/manifest.json
observed b14cc0506fa91d304d9502ac382fe073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:43.010853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076487/publication.md
observed b84a001e89ad9042bab4b3a756bd87f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:42.991578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076487/publication.txt
observed 807a775cfa670277975db96a2ea937bb...
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.