OpenTechnical

OT-2026-000103624

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pulsed blow-off after 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-2026-000103624) never changes.

Identity and time

Publication numberOT-2026-000103624 · never reused
Internal UUID01a0aea4-e461-7877-b4e8-c723d2b4e0a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103624
StatusPUBLIC

Content hashes

Canonical texta177a50f2c033510abe50cfbd692d7c17860c22dc21945174712018a255e517a
Markdowna27117b067c46b54e111190e6a2b322b939df5659e78c6097f425d007d7cc1e8
PDF
Publication page87c6fa11b2d83cb469873009a86590430805650cc2090b415a1a81ee7a5ffe97
Manifestf0e510250860c0facbed57ba21e249a33bb3597c47397483c7b36ed1522765fd

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
SignaturedlYcRLG1u0CNDlgZ2BHjCa4ZW8m0DsmjuPLJSGGBZAeC+dj5ohgehWUSDPYJEEW4J+rHV4IHzWCnmaaaa4QhCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:25.103847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103624
observed 87c6fa11b2d83cb469873009a8659043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.071475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103624/manifest.json
observed f0e510250860c0facbed57ba21e249a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.053713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103624/publication.md
observed a27117b067c46b54e111190e6a2b322b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.018695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103624/publication.txt
observed a177a50f2c033510abe50cfbd692d7c1...
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.