OpenTechnical

OT-2026-000089555

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089555) never changes.

Identity and time

Publication numberOT-2026-000089555 · never reused
Internal UUID01a0ae9c-1a21-7cd0-b6aa-9bae6a9c049f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089555
StatusPUBLIC

Content hashes

Canonical text23d631c0fb62db414b971a38633b41c030c504dd9f74851b32a59bfb169f4e46
Markdownf60340cbee01cf92aa02c3bc111915fbc5e1f5f9703c98315958e17a277ff711
PDF
Publication pagea16abc19a2a579159a4a491de9604434a479fa0abafd525d6f8c03082df81f37
Manifest8bff2fd7839ce3cfaa2012028e72a29fde12117fa84053314f04a6a4ea5198c0

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
SignatureF4R1X5LQ6b2xY38lSEcTEHaEuDyuNcgg5oC+zbv4pZCxAikG3PpggUQLOpNgulfJSFyvdyu2CUW9Ojou2kz/CQ==
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

2026-09-17T09:46:30.494835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089555
observed a16abc19a2a579159a4a491de9604434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.476580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089555/manifest.json
observed 8bff2fd7839ce3cfaa2012028e72a29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.458368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089555/publication.md
observed f60340cbee01cf92aa02c3bc111915fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.439305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089555/publication.txt
observed 23d631c0fb62db414b971a38633b41c0...
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.