OpenTechnical

OT-2026-000076671

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000076671) never changes.

Identity and time

Publication numberOT-2026-000076671 · never reused
Internal UUID01a0ae94-b06f-733e-8e3e-9060c31adc4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076671
StatusPUBLIC

Content hashes

Canonical text3ba3f8bc5c23def31cd5e92302f4237084fae2b389043e98c47daee22d289e9f
Markdownb3e0cac98587e34377945aceabba29fa15e518da2a9b886ac0a1bc17b21f1217
PDF
Publication pageec9051d6efe675fc8d955fc6c9b087a58b5101498015eea559050502eedca269
Manifest544c9af868cff0226c339e4b19fcdb0e554e8bd18f0c53c7b7353378f119ad63

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
Signatured4eoLP1FfYlQx5Qu3JntqXsbFDpzKSDfBSlXluJndxEU2WZi44aHTlpGLPtRADjZQf1SidqTlCSCZt2UrqerAA==
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

2026-09-17T10:09:25.264286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076671
observed ec9051d6efe675fc8d955fc6c9b087a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.245645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076671/manifest.json
observed 544c9af868cff0226c339e4b19fcdb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.225406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076671/publication.md
observed b3e0cac98587e34377945aceabba29fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.204388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076671/publication.txt
observed 3ba3f8bc5c23def31cd5e92302f42370...
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.