OpenTechnical

OT-2026-000101421

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000101421) never changes.

Identity and time

Publication numberOT-2026-000101421 · never reused
Internal UUID01a0aea4-0e14-737b-a9ac-93ef2bc23d13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101421
StatusPUBLIC

Content hashes

Canonical text536b8276fda7dfaf2b404c3d07ca2b2813837392abe4f9f30383cfab21356ae3
Markdown587f8842df222683594823591c670443dad598436f0dce8491d20b1ad38353f9
PDF
Publication page8fb6eef567e90915c5788a2be341532b4b10e2d0b38c68ce88018301f27d5b69
Manifest49b93014a4251ebe7d9783908df1d17da96695c00625730284809718136f154f

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
SignatureyXdo1hbwlSEkDe3KotT0UpLwiiNeRD2SXFZbbTh11o/C2zbvuF4gO9U/SuGkZ0e70mPUCbOU/HfvOuYKFZCfDA==
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

2026-09-17T09:25:58.337744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101421
observed 8fb6eef567e90915c5788a2be341532b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.320566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101421/manifest.json
observed 49b93014a4251ebe7d9783908df1d17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.302520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101421/publication.md
observed 587f8842df222683594823591c670443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.284126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101421/publication.txt
observed 536b8276fda7dfaf2b404c3d07ca2b28...
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.