OpenTechnical

OT-2026-000097258

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097258) never changes.

Identity and time

Publication numberOT-2026-000097258 · never reused
Internal UUID01a0aea1-01ca-7768-baee-73b0c8b157bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097258
StatusPUBLIC

Content hashes

Canonical textbcee59351cfa01fa8b57bbf862f3febf52bc2709de81cdd4d8caf024c2edf9f4
Markdown6c5bc66dd8a17d090d5eeccac4a76bb4cc69e7557a57ec23957f03b1343cd96f
PDF
Publication page74af3a21e3719bf00328a370ace0979fc02d9f49f9bcf71f33923c3cf8ff1345
Manifestc3489916c4b3b3b69f933157489e3d85f06458998ac6b1d591bbad73c194940b

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
Signaturendll4GgJ+kgIQu5k7DW2ojbUyVjdMtj58XWETRq9d4dnhD92bZos2lD2svDOOgdVvPadLxp+AalhMuxebYmTBA==
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

2026-09-17T09:33:30.823991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097258
observed 74af3a21e3719bf00328a370ace0979f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.806118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097258/manifest.json
observed c3489916c4b3b3b69f933157489e3d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.786474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097258/publication.md
observed 6c5bc66dd8a17d090d5eeccac4a76bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.769439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097258/publication.txt
observed bcee59351cfa01fa8b57bbf862f3febf...
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.