OpenTechnical

OT-2026-000099667

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-2026-000099667) never changes.

Identity and time

Publication numberOT-2026-000099667 · never reused
Internal UUID01a0aea2-c976-7e66-816a-faeefed3aff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099667
StatusPUBLIC

Content hashes

Canonical text92e49d22bec40e21ccc2c7a7b4e3f0358be59d35571851f6f3cd0b595a0f1a08
Markdown978e0dbf7546e077e3aaa03425e1db613247a4c2c9146deb38c6f4f78fcda77a
PDF
Publication pagee6eb5a2a22d91171fda940cc2a1065276a735a198c6143b0e189ac72b6f463dd
Manifest97007afab7c315d633414fd6e568070f47188fde1bbeec13da53de14ad445c5f

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
SignaturePIBAjYOjRO63JFu01ZuV7AtlMEIaoh+fNRTCYlXdWbbLIDy5fwMmDWK47bikowMAX+EavS+bmZCj1x8hPiavCA==
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

2026-09-17T09:29:36.546045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099667
observed e6eb5a2a22d91171fda940cc2a106527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.528794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099667/manifest.json
observed 97007afab7c315d633414fd6e568070f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.510911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099667/publication.md
observed 978e0dbf7546e077e3aaa03425e1db61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.492746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099667/publication.txt
observed 92e49d22bec40e21ccc2c7a7b4e3f035...
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.