OpenTechnical

OT-2026-000091718

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091718) never changes.

Identity and time

Publication numberOT-2026-000091718 · never reused
Internal UUID01a0ae9d-43b9-7b0d-aad9-9f13357a1d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091718
StatusPUBLIC

Content hashes

Canonical text7d04d064f8ea12eaff99d83c2f2287240d84084bdc9e2affa09b6719d684ad98
Markdownf280ebe72616805e52bb36dcb48fd623641db09d694f77103bbae2f6c14ccaaf
PDF
Publication pagee0d7455a898ab8d276c835258d05c3fc13e73a6506274ed97feea2a3dc221f3d
Manifest73c9ecaf4fc955923ec98b44d9900d53ca40b273a12dd0d470e5374fd8b74332

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
SignatureTdcNkhmb2tlaQOffXcrCPc8LbtY7AuMn++K0leVJUEDYDEa3tcoBp6DT+2+uV4zfL+OmGGvEbcbGjhvl7hP1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:06.450022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091718
observed e0d7455a898ab8d276c835258d05c3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.432515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091718/manifest.json
observed 73c9ecaf4fc955923ec98b44d9900d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.413229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091718/publication.md
observed f280ebe72616805e52bb36dcb48fd623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:06.396094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091718/publication.txt
observed 7d04d064f8ea12eaff99d83c2f228724...
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.