OpenTechnical

OT-2026-000022786

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000022786) never changes.

Identity and time

Publication numberOT-2026-000022786 · never reused
Internal UUID01a0ae70-46ea-7a60-9b92-d91d19015ef3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022786
StatusPUBLIC

Content hashes

Canonical textca1c09fdd3bf9b66955384259f6c56c28c6c1a5b8f2bb98915762304855759bb
Markdowna56eb9ad1c443ffe7fba2ea22bfe50047b96d9510df39dea336b1550ccb3d90c
PDF
Publication page42995f572cef2bf0b19ddd956771a7e2bb4b6b3d543e5451d52fd95f118044cd
Manifeste381783f6c39769ca4df149f4ca0e8f36810b72a6c6c975e31db231624f5a003

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
SignaturesyDxztHBrfaAfVPai59xBsc2kbbtl3TETKLG8jfK3X4pq2er+f5EP9uVyqauuIV1wOXc8XCNg5Fp8U4gp8ceBA==
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

2026-09-17T11:52:18.321266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022786
observed 42995f572cef2bf0b19ddd956771a7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.304825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022786/manifest.json
observed e381783f6c39769ca4df149f4ca0e8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.287070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022786/publication.md
observed a56eb9ad1c443ffe7fba2ea22bfe5004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.267956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022786/publication.txt
observed ca1c09fdd3bf9b66955384259f6c56c2...
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.