OpenTechnical

OT-2026-000044508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000044508) never changes.

Identity and time

Publication numberOT-2026-000044508 · never reused
Internal UUID01a0ae7c-39d8-79f8-9ad2-9d56de25bd05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044508
StatusPUBLIC

Content hashes

Canonical text4422c8c3de2cbf8315b8ef77b9605c76020219f14bf70718d01384a342d3a729
Markdownebeb88353476e2343292113b9469931577b6c3c69fffc93a3cb0803401d15cdf
PDF
Publication page71a0711c4299eb790c63b5604a6b10f05dcb063dcf0504d856a5d1b87373a0d8
Manifest70f6a7b226487e08c491d7a3dec194626171107a0536a7e0d2a6550663da96a0

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
Signature59876SKlAAegGA1zIQPvGNh8wvz9LB7/5a38qaBACaWkzxdxFSzvhM6+MXdCPL2WyiBvHxgxL08lbRe4WCMADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:31:00.225146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044508
observed 71a0711c4299eb790c63b5604a6b10f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:00.085815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044508/manifest.json
observed 70f6a7b226487e08c491d7a3dec19462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:59.819158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044508/publication.md
observed ebeb88353476e2343292113b94699315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:59.802769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044508/publication.txt
observed 4422c8c3de2cbf8315b8ef77b9605c76...
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.