OpenTechnical

OT-2026-000023499

Publication integrity record

Two 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-2026-000023499) never changes.

Identity and time

Publication numberOT-2026-000023499 · never reused
Internal UUID01a0ae70-7269-75e1-b4d2-87749882d315 · 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-2026-000023499
StatusPUBLIC

Content hashes

Canonical textac7a136d4eefa7bcb0e203a4913065fffd6430cb6ba2f49fe8bd25f470ffeffd
Markdownef0b2ec8e7a420935124b35086110e80fc837c57022c1b75e83cb5efd50bb3de
PDF
Publication page5abb228a1f8e23a2b1adada2a9e7bb2ee98c1cceac7039a7fe41e35d7c0c13d5
Manifest12da27a7bf3c2809beef91d41bfd65778675bea69185e878902d174bf3593d73

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
SignatureL5BRWSSXP3W15xCiF20m7j2eF842c+BPDH4lgI2jZHMmx4myQwTmPIpzH1iIDgB/zr2BzyAyZBCqlYjikOELDQ==
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

2026-09-17T11:51:43.877146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023499
observed 5abb228a1f8e23a2b1adada2a9e7bb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.861203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023499/manifest.json
observed 12da27a7bf3c2809beef91d41bfd6577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.842508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023499/publication.md
observed ef0b2ec8e7a420935124b35086110e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.822998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023499/publication.txt
observed ac7a136d4eefa7bcb0e203a4913065ff...
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.