OpenTechnical

OT-2026-000053903

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053903) never changes.

Identity and time

Publication numberOT-2026-000053903 · never reused
Internal UUID01a0ae85-735e-70cb-9bea-dc36bbd14c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053903
StatusPUBLIC

Content hashes

Canonical texteb0e9ba147838dd4e2f27f76211453d0168dcaca4a37180e549b10a43bd42347
Markdown6cf13b3634afa590660c9d0d126ae3f65cfc38423fa2a34f4b8d954862557a41
PDF
Publication pageb1ba66d2d26c0c7f37993271dd048ac8e9c658b70fb1f5230f07daa273acd74f
Manifest18ed7ce126990911bea82300139b47871782581b9cdcbd488f3eff352a009363

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
SignaturertI0Z8/GWqAtlHZuqRgIG5iRMsJO5HkHasImrKYJLX0HUAkQ0/ZE/Xq8g8G2NzMf3E5xdF1k2N3kNLDSkagUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:46.019791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053903
observed b1ba66d2d26c0c7f37993271dd048ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:46.000882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053903/manifest.json
observed 18ed7ce126990911bea82300139b4787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:45.977427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053903/publication.md
observed 6cf13b3634afa590660c9d0d126ae3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:45.820462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053903/publication.txt
observed eb0e9ba147838dd4e2f27f76211453d0...
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.