OpenTechnical

OT-2026-000078320

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000078320) never changes.

Identity and time

Publication numberOT-2026-000078320 · never reused
Internal UUID01a0ae95-7c27-7a32-b488-fe6366e5569f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078320
StatusPUBLIC

Content hashes

Canonical text72548f3f5123f5a7a0ec9e5adc0514c516aa3ea5ff8bbe8d559968970c273a56
Markdowne79e2aced31a15a5251ff76d490b573edef8418a0bba58eec6d22658d2ccd8d5
PDF
Publication page4f08c5e9c8310b825cdd73897833a0a5e6b134cabbf0fbb89740a7990f384417
Manifest6ea6cd24faf6bb3f522a0972e4d2a8d26466ad56bb549f348b783eece91de7e8

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
SignaturepkbFZCI5OCIF1Vmh0mrNMTECutzZvACyXsNS23dVkPoMEVIdxTgzXJ7II9lOvHvH3OahIOnYiV8KSE0t61ymAA==
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

2026-09-17T10:06:17.211609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078320
observed 4f08c5e9c8310b825cdd73897833a0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.192114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078320/manifest.json
observed 6ea6cd24faf6bb3f522a0972e4d2a8d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.173395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078320/publication.md
observed e79e2aced31a15a5251ff76d490b573e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.154201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078320/publication.txt
observed 72548f3f5123f5a7a0ec9e5adc0514c5...
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.