OpenTechnical

OT-2026-000102555

Publication integrity record

Four cup vacuum gripper, four 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-2026-000102555) never changes.

Identity and time

Publication numberOT-2026-000102555 · never reused
Internal UUID01a0aea4-858a-7ac7-bd8b-30fd05572185 · 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-2026-000102555
StatusPUBLIC

Content hashes

Canonical textdf23beed11cac349df482871e0a71b140d72fe6828847ea05edf2e0e99eed444
Markdown35c56ccdbd85b7088eb6bc759bea89134c2f46f942a242c9474dc95ba50b7585
PDF
Publication paged22b47c0c94d9b518d1ad8b51d08ab6de5351b0ff1ee42759873b4c34f1aac14
Manifesta2362ea782d162eeb942c13b555be052879dc1aae4c2832244c404e86bb2881f

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
Signaturetn3mxAL88PcbYy6afT/HQ7U9fWTYnu0A52tm5QWY7w4X2RDi1odMN9Q+3l5/b+zW2XjYLozIVF3r//mOv/3aAQ==
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

2026-09-17T09:24:02.080166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102555
observed d22b47c0c94d9b518d1ad8b51d08ab6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.062164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102555/manifest.json
observed a2362ea782d162eeb942c13b555be052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.042542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102555/publication.md
observed 35c56ccdbd85b7088eb6bc759bea8913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.024498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102555/publication.txt
observed df23beed11cac349df482871e0a71b14...
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.