OpenTechnical

OT-2026-000072648

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072648) never changes.

Identity and time

Publication numberOT-2026-000072648 · never reused
Internal UUID01a0ae92-89d9-76ce-be67-1b04dd73e4d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072648
StatusPUBLIC

Content hashes

Canonical textb585a03e1810a1e2020d5bc36308c60804c1c6b25409ccd8101e423a13eb3be9
Markdown4a6605b4650b3b0b0bfdbacff7dc1bd43b898daa064c690ed5c14238f0c89c41
PDF
Publication pageca366212e692319917dd773a3b491374414b743debfb77e721d1efca90ecae41
Manifest46a71db7a66e413abfee6f45822b10048322f59e0440e66f36b3868f6a711391

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
Signature2Z8Bo4/AOaPuAW+Q0Nv7xxu3htadrS44dMoz3SWEhXfxx9mc3ly0asOLWQwsn+dwjK36tqhLbpgD+O5u8g08Dw==
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

2026-09-17T10:22:30.731014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072648
observed ca366212e692319917dd773a3b491374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.714361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072648/manifest.json
observed 46a71db7a66e413abfee6f45822b1004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.698841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072648/publication.md
observed 4a6605b4650b3b0b0bfdbacff7dc1bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.683390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072648/publication.txt
observed b585a03e1810a1e2020d5bc36308c608...
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.