OpenTechnical

OT-2026-000104139

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000104139) never changes.

Identity and time

Publication numberOT-2026-000104139 · never reused
Internal UUID01a0aea5-341f-7a24-b906-1c1b49c3aae2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104139
StatusPUBLIC

Content hashes

Canonical texta152c5401901b0684a76997bd4c185baaf355fe29bb8bec5544f822b73c583c8
Markdownfb041c15d38531d652c98a11684463d8c77987eab95378ff7eb5bc2b3dc125bf
PDF
Publication page0a70afeb06e84d11098b3637ce05c2a99f4e300881cbda49e343e0d257350fb6
Manifest53fa0adc9afab310c850c72025f39f97c9c32b343e5c964a2a741046293044cc

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
SignatureFN2OlQjj+Gy2WsnCYtCAZ2dm/t9RGWEPmR4QlBR6fc53PJOh7czk2qnym7Vm/P4LHBowl9NMkSnWuMnY4Dv8BA==
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

2026-09-17T09:20:13.357076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104139
observed 0a70afeb06e84d11098b3637ce05c2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.338150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104139/manifest.json
observed 53fa0adc9afab310c850c72025f39f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.321821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104139/publication.md
observed fb041c15d38531d652c98a11684463d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.306235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104139/publication.txt
observed a152c5401901b0684a76997bd4c185ba...
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.