OpenTechnical

OT-2026-000023851

Publication integrity record

Three cup vacuum gripper, three 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-2026-000023851) never changes.

Identity and time

Publication numberOT-2026-000023851 · never reused
Internal UUID01a0ae70-aed6-7fc7-8326-4a8aaf75b417 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023851
StatusPUBLIC

Content hashes

Canonical text1fc958d28084226bf826d99d31219c41a7a5ce1639165aa384f60dc0a91ccbbb
Markdownd27c08501a19593d1db0e8db91c8e8ced0e74c83571a4b550c732250721813f1
PDF
Publication pagea80f4fff2c67cab54593a0a8b9bf8c0c449229e485bbf1b4cf365e56f2ee17b0
Manifesta38c55c9cbf5da7040b6b5aa59a304a08bb45ee9e053b96cef3e2ee766570930

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
SignatureloFuLp45PXm+peSZBoYVj1X2K5A1SL42i8BPbxcP2u/FhTVidkLRS08PW+Sdk4secrwRyKDhzKOTHMJANLj6Bg==
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

2026-09-17T11:50:20.940255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023851
observed a80f4fff2c67cab54593a0a8b9bf8c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.911567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023851/manifest.json
observed a38c55c9cbf5da7040b6b5aa59a304a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.892873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023851/publication.md
observed d27c08501a19593d1db0e8db91c8e8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:20.875560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023851/publication.txt
observed 1fc958d28084226bf826d99d31219c41...
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.