OpenTechnical

OT-2026-000014271

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000014271) never changes.

Identity and time

Publication numberOT-2026-000014271 · never reused
Internal UUID01a0ae6d-b279-7c2d-8a7e-6fda01b05c2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014271
StatusPUBLIC

Content hashes

Canonical text63839f8f99eae5174578938f48ccf21ce850abe8697e2977eafd9cdb138fd73a
Markdownf823cfc0a4a182cc0128c7700cbcb9d8bd23a39954658cfef68529cd5758cab2
PDF
Publication page17dfb947338edfd254e214098a96c4549211ec385485058513ec825261fc9b1b
Manifestb1c14ad7e5389c5e82d8a8843e7a871ea8c9930cf1968a54316c46e656c16d14

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
Signaturee/KXGMcistfCxkU1aHm9V+620Y0XUqfX+QrrbXNTQU06SBZAvi4ULOP2Zl/ATL6gJLEocS3O/3MOtAn/Ht2KDA==
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

2026-09-17T12:07:28.930307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014271
observed 17dfb947338edfd254e214098a96c454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.911589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014271/manifest.json
observed b1c14ad7e5389c5e82d8a8843e7a871e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.894855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014271/publication.md
observed f823cfc0a4a182cc0128c7700cbcb9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.875906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014271/publication.txt
observed 63839f8f99eae5174578938f48ccf21c...
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.