OpenTechnical

OT-2026-000081525

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000081525) never changes.

Identity and time

Publication numberOT-2026-000081525 · never reused
Internal UUID01a0ae97-0f71-7b22-b417-936dd63b6c9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081525
StatusPUBLIC

Content hashes

Canonical text1759726867528e582d4b8303d284424c0376c61d164591d088ae367782bbcb55
Markdown385cac3f3541206a52c49a55d8193311f471dc3c1aebe58a05f8d4967b829168
PDF
Publication pageb3654d8350f15996608dec059f5d3cafddb70dd353e176008786536300b15464
Manifest493aaa8dc21d6029c72439e1605d7af85bbef73801d2a13c0ab2ba0456cd017b

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
SignatureZfTNmHqqWTkftb2mcm/NLz9xl8QehzWoHzOi3F7Ew2wL5jLK+vu/hRBkceFSkRzacrbpsbj6VL5PtSzXK4blCg==
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

2026-09-17T09:59:32.673742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081525
observed b3654d8350f15996608dec059f5d3caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.657273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081525/manifest.json
observed 493aaa8dc21d6029c72439e1605d7af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.639562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081525/publication.md
observed 385cac3f3541206a52c49a55d8193311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.621955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081525/publication.txt
observed 1759726867528e582d4b8303d284424c...
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.