OpenTechnical

OT-2026-000076475

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-2026-000076475) never changes.

Identity and time

Publication numberOT-2026-000076475 · never reused
Internal UUID01a0ae94-6a71-76af-8564-bef341ae521a · 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-2026-000076475
StatusPUBLIC

Content hashes

Canonical text68a071e43f19956cfa81303f17464dab011ba8dc9ae527a1e4760688706c9bf9
Markdown5614517c13b66ab1b8f97f566e5c92cfce2ff9d732bc908cc68966dccd960472
PDF
Publication page64de54b5e1484dd291fc2552cd0db7c36fd044fa7c2505ac29562bd646234e3a
Manifestc1642c0db51d00919958a3f366907834dc490d05900c757f04f27e026fe4d9b8

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
Signature6erAzcy2yMrCIkDNT9AI/HLzOg8RCDOHTmNE1Eld8OmROuyCOAAxL3CDb6jQ6/UKMbIOWj5gj49VWtEMQ2i7Bw==
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

2026-09-17T10:12:40.266172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076475
observed 64de54b5e1484dd291fc2552cd0db7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:40.247133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076475/manifest.json
observed c1642c0db51d00919958a3f366907834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:40.227629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076475/publication.md
observed 5614517c13b66ab1b8f97f566e5c92cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:40.206332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076475/publication.txt
observed 68a071e43f19956cfa81303f17464dab...
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.