OpenTechnical

OT-2026-000102976

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000102976) never changes.

Identity and time

Publication numberOT-2026-000102976 · never reused
Internal UUID01a0aea4-be3c-725c-8106-b1d22a3193bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102976
StatusPUBLIC

Content hashes

Canonical text5e912a5c1db8838d1c00fe88da09ba492d1410c6e10341d3759be91a383df1ff
Markdown889d6bd330edf13daf2b404b589da765c4f4c91e5c66d424bb4436c7f6568fae
PDF
Publication page2bdc6a430502d2f39713e324e951c889a607166741c12b462b2317cec4575ad7
Manifest583fa8826242d167a1f88b46ba8f5b94d5e13bc23dbf2101da7ce21af35c1072

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
SignatureeJ7j111UQRme7ZPsFOaeoXPLv6PuQbf3KgBQHT66IRR+YS5UUqbnKepCuQ0ujAtMLsUzRh/BdNgY6JtKSj78Cw==
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

2026-09-17T09:23:05.191584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102976
observed 2bdc6a430502d2f39713e324e951c889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.174770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102976/manifest.json
observed 583fa8826242d167a1f88b46ba8f5b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.157005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102976/publication.md
observed 889d6bd330edf13daf2b404b589da765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.139107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102976/publication.txt
observed 5e912a5c1db8838d1c00fe88da09ba49...
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.