OpenTechnical

OT-2026-000076453

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000076453) never changes.

Identity and time

Publication numberOT-2026-000076453 · never reused
Internal UUID01a0ae94-6a71-7a91-a715-aee745771cc3 · 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-2026-000076453
StatusPUBLIC

Content hashes

Canonical textb1213f73373efb1346664357516421487ff81263e87cd88f2f7e5468e1777586
Markdown7707765fb3d1fd31e3074c2ef2372acced0a1a95e2399a2320ebe3eb32a3b87f
PDF
Publication pageadff819caeab3c2857181ab5babcaa65b4ff6221942fd64a889c4e5c9e5b5352
Manifestc3335da18fe5c16aabfce4da7a291f8b8ce10dc04b76445b04f38bac6cb1c680

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
Signaturer2YzgT6zfNSIABX9dJnOPzGwTx+yfgRlMLiU7nP3MdAXgFB+6t/lk+uqrAEo+tFSbb+iCEofv22SQuAV8camDw==
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

2026-09-17T10:12:35.053287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076453
observed adff819caeab3c2857181ab5babcaa65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:35.035314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076453/manifest.json
observed c3335da18fe5c16aabfce4da7a291f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:35.016183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076453/publication.md
observed 7707765fb3d1fd31e3074c2ef2372acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:34.996220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076453/publication.txt
observed b1213f73373efb134666435751642148...
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.