OpenTechnical

OT-2026-000006351

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified, sustained 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-2026-000006351) never changes.

Identity and time

Publication numberOT-2026-000006351 · never reused
Internal UUID01a0a957-f6bf-7625-8c85-e4ccdd8576fc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:49.443827Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006351
StatusPUBLIC

Content hashes

Canonical text597b1da7252969743ddc7ab766d985133a6c9fb9765cac78bb6d846c26357567
Markdownae5d6f897f3f540da723eaab6ffdbf11d47d1a62d58a648b7f1fdfa12c5a8f53
PDF
Publication pageda78735a102f190c6f749faacceb15a99ce823875517b2a7b9d7d992a2d0e827
Manifest52b0e45836faf96901ff5f542e5fc0dbe028fec01124e7cdaa688311a0751d1c

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
SignatureFxPvbVVzO4RBcSnX6EclcBcvpXm39QptCB0zGgnJMxKIXt2WiTXBXANKioTvQNv+c1u/+m37W8oqbGmLae+OAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:28.152481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006351
observed da78735a102f190c6f749faacceb15a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.138247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006351/manifest.json
observed 52b0e45836faf96901ff5f542e5fc0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.123846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006351/publication.md
observed ae5d6f897f3f540da723eaab6ffdbf11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.997593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006351/publication.txt
observed 597b1da7252969743ddc7ab766d98513...
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.