OpenTechnical

OT-2026-000021676

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000021676) never changes.

Identity and time

Publication numberOT-2026-000021676 · never reused
Internal UUID01a0ae6f-bb59-722b-a816-6eadefd8679a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021676
StatusPUBLIC

Content hashes

Canonical textde7af09ece5c6a72dd97f9f2f594e473fef95ea0387084e99b2cc2d623888281
Markdownd740a82c72585b4e3a88640c6392346a4cc525a5535860c60be97e5aef26a664
PDF
Publication pagea12dce8a438a4ea383dae3f6b482bcd004b7d06e95dcf402b007632b3167eeba
Manifestb1c6720d71cb0e816e038e235dd1a63990944f869f5eb50e01206300a4f8ff4f

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
Signature9pyTOSZHmHD5nlcC+go1QNqBoleaiiiZp+vqXlX0MmPXfZENOWPX+HYtFHhNbzVWvVA+N+enc9BzifcCX8DYBw==
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

2026-09-17T11:54:12.570468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021676
observed a12dce8a438a4ea383dae3f6b482bcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:12.553691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021676/manifest.json
observed b1c6720d71cb0e816e038e235dd1a639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:12.537009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021676/publication.md
observed d740a82c72585b4e3a88640c6392346a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:12.519266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021676/publication.txt
observed de7af09ece5c6a72dd97f9f2f594e473...
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.