OpenTechnical

OT-2026-000019771

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000019771) never changes.

Identity and time

Publication numberOT-2026-000019771 · never reused
Internal UUID01a0ae6f-1fb4-7cec-8cd2-a5c55d4f2674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019771
StatusPUBLIC

Content hashes

Canonical textedbc8979c53010e2d27ff295c2ad07bb796e55f1b3108e7c2969b714fba55dbd
Markdown387d6b03b5bb360eefc55b4bc086f6aa56da8da1fb0886df4c8aecb5cac579f0
PDF
Publication page2a0d7ae46806044a59ccd63c8fbd27cfa3803d8e3acbfa759ab2f71b528a4f87
Manifest7a4daa8291567a04920656ee5385dbe709089d924a8138586d06c967151c72ea

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
SignaturesZ2Bgk2Av9AiKtPCUjZ3yMlwdsg7qHcxSTCQPSAalRtHcrqjs2OaOQlxuahqUpjpebbeQHJK5XUmp/YGLbn9CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:57:56.740692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019771
observed 2a0d7ae46806044a59ccd63c8fbd27cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.724700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019771/manifest.json
observed 7a4daa8291567a04920656ee5385dbe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.705148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019771/publication.md
observed 387d6b03b5bb360eefc55b4bc086f6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.686228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019771/publication.txt
observed edbc8979c53010e2d27ff295c2ad07bb...
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.