OpenTechnical

OT-2026-000026903

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000026903) never changes.

Identity and time

Publication numberOT-2026-000026903 · never reused
Internal UUID01a0ae72-3452-71c4-939a-4a55394dd59f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026903
StatusPUBLIC

Content hashes

Canonical text04b50f9f4486c89b450da382470d0132d5caebdbb6747355bdb13ab6a6dd06d8
Markdownf7a86707b651ebac6b57907b112b1be840b4248ac04259f948046675896ce5a6
PDF
Publication page4ed8fbb68e1de311491f964dd48fd32adf0cd1a0698d42c68180fea6abcdda8a
Manifest747bf8a5c1817911df1895493244361278652bb3525d2465a630a88b70d96b34

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
Signature1i0jgq6GHO/gAY0aapgrpSSBFcBKH6ajztIaqASz8sceAKuqNVSlapKsRxG95M0uAc457iWc6eIxTHjjH2C4Bg==
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

2026-09-17T11:43:30.843422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026903
observed 4ed8fbb68e1de311491f964dd48fd32a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.826076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026903/manifest.json
observed 747bf8a5c1817911df18954932443612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.808050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026903/publication.md
observed f7a86707b651ebac6b57907b112b1be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.791643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026903/publication.txt
observed 04b50f9f4486c89b450da382470d0132...
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.