OpenTechnical

OT-2026-000076499

Publication integrity record

Foam pad 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-2026-000076499) never changes.

Identity and time

Publication numberOT-2026-000076499 · never reused
Internal UUID01a0ae94-6a71-7d69-8584-3abf85a1fa5f · 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-2026-000076499
StatusPUBLIC

Content hashes

Canonical textde982261e98e1d35ef921ddbcacbde031e0d8724af8ba6fb88c8fa10cef17cc6
Markdown27b404e34a8dd58daa9688429fd4bddf2cef18c26b034d28768908c97a503c2e
PDF
Publication page66728faf5f5d715dc1f4b94bd86fce57f6115c48fb7261d62cf78512d54b5076
Manifestc6f770cc9d476a6f3d09619b7715c17e033fa3f4880481afa64bcd6c2df79d57

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
Signaturermvtl1jdusyjnY7dICm99Y/JVrZyUKRAfIOJCo7khSrjTyZSANEZoob4xA8tvPwrqvfqDNDuvRHkwzhnX20AAQ==
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

2026-09-17T10:12:45.971563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076499
observed 66728faf5f5d715dc1f4b94bd86fce57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.953714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076499/manifest.json
observed c6f770cc9d476a6f3d09619b7715c17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.810401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076499/publication.md
observed 27b404e34a8dd58daa9688429fd4bddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:45.792041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076499/publication.txt
observed de982261e98e1d35ef921ddbcacbde03...
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.