OpenTechnical

OT-2026-000094976

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000094976) never changes.

Identity and time

Publication numberOT-2026-000094976 · never reused
Internal UUID01a0ae9f-2df0-7ce0-9cf2-48a2da554ce7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094976
StatusPUBLIC

Content hashes

Canonical text568db622e81f3c2d0eaee72a460eeae8995cf2a0b02c7362deeda7a52a51bb2f
Markdown23f12400f0ab90294c04d64af87585957246e3ac69968ee401b903c48588bf07
PDF
Publication page7288b619ee240c618deb4a1de1525a974bf6b82ea0c6ce6ded12240e9c5bc8a0
Manifested4311239df8298902e22b1ca4a6a4d434168e6d0ba98f050f81013435f3e263

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
SignatureaOVuK3Xu5+W+QxYBzjeC6YrVmwgz35C/q1y6GBDanCUBeDcILgPhZOE1WaiOIS6lJvTmXV9GPv5mBok+mBBWBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:31.446319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094976
observed 7288b619ee240c618deb4a1de1525a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.429373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094976/manifest.json
observed ed4311239df8298902e22b1ca4a6a4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.412588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094976/publication.md
observed 23f12400f0ab90294c04d64af8758595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.396117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094976/publication.txt
observed 568db622e81f3c2d0eaee72a460eeae8...
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.