OpenTechnical

OT-2026-000102678

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000102678) never changes.

Identity and time

Publication numberOT-2026-000102678 · never reused
Internal UUID01a0aea4-858b-72af-ad42-06cd8006c27e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102678
StatusPUBLIC

Content hashes

Canonical textb476ed7b33aaec1f8c818743a70e0e417bd24f72cbff25a7280344a0504a2fdc
Markdown1072bc933d4d35d9a309eec37aafad6df3a1eae30befa5428d2ffd17ee7043af
PDF
Publication page3492c89503f93d082ed68e26f802224e5b487791878e62eb1410ae29e39ded98
Manifest2ac2c8126ccf944016d90549b56e18e411f3fd285c3854f2f9bc0d2622242e66

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
Signature6aJMjIn4CiMmAxL0jfbF0rluFFYRZPl/HsZn9UQzm4YMKTUd4heym9h2OTxSa9454lI27Uh5HQVhI6YPmhN1BQ==
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

2026-09-17T09:24:10.932756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102678
observed 3492c89503f93d082ed68e26f802224e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:10.913996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102678/manifest.json
observed 2ac2c8126ccf944016d90549b56e18e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:10.895157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102678/publication.md
observed 1072bc933d4d35d9a309eec37aafad6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:10.877536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102678/publication.txt
observed b476ed7b33aaec1f8c818743a70e0e41...
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.