OpenTechnical

OT-2026-000023439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000023439) never changes.

Identity and time

Publication numberOT-2026-000023439 · never reused
Internal UUID01a0ae70-7268-7068-a52f-55f86a24a021 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023439
StatusPUBLIC

Content hashes

Canonical textc360e64dc632fafe680bb3f2e51fb01130420ffa1ba1f88655ba4b15cca8c51d
Markdownc67afd3ec768e0d9b747c2fdfb17cad8071bfcc17c2f5bd1c82e53401212109f
PDF
Publication page46b6092259e2a70a9bacd6b5afa72f703447acf16e5f18884bc391a698a640f2
Manifest26b58122b1ff4e0d271e5907f010a633192d9c4e7b9b27565faf6a51083744e3

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
Signature0ANyMyRN/eSBq8zBXY3Vo3jGcSNIp6R4ikWa/XqIsjqgWowjSd6cT1szqXxeKY1hjHnmt+ZjOg3qT/DqhARjDg==
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

2026-09-17T11:51:39.240207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023439
observed 46b6092259e2a70a9bacd6b5afa72f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.222610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023439/manifest.json
observed 26b58122b1ff4e0d271e5907f010a633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.201287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023439/publication.md
observed c67afd3ec768e0d9b747c2fdfb17cad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.182208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023439/publication.txt
observed c360e64dc632fafe680bb3f2e51fb011...
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.