OpenTechnical

OT-2026-000020022

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000020022) never changes.

Identity and time

Publication numberOT-2026-000020022 · never reused
Internal UUID01a0ae6f-1fb7-7764-b25f-5ebbb8e3afa2 · 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-2026-000020022
StatusPUBLIC

Content hashes

Canonical text38447a30f561e1dc6204f7b3309add894501da437c5af7628173f03c11aa7c53
Markdown996a954691121798b27c94bf95a2f1a0e0b67d4ac6b9ce74c6242a4514316cd1
PDF
Publication page3253b32fa6c86fed933a6f7e762504812f014e80e640854465be24f8bd840439
Manifest30efd2d09ef93b9e0997cc444edd9940aaf24b281312f1d4854a6400f239fb02

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
SignatureOmeJ3k+grARiHt8V1N1p2hT/b3zl6kW77D+ps07P2rWFfOiJZ4CYxuYkoJxBy0TMrd5rJxZahG5v4wtSEs5SAA==
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

2026-09-17T11:58:16.513652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020022
observed 3253b32fa6c86fed933a6f7e76250481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:16.496026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020022/manifest.json
observed 30efd2d09ef93b9e0997cc444edd9940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:16.478611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020022/publication.md
observed 996a954691121798b27c94bf95a2f1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:16.461928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020022/publication.txt
observed 38447a30f561e1dc6204f7b3309add89...
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.