OpenTechnical

OT-2026-000030388

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000030388) never changes.

Identity and time

Publication numberOT-2026-000030388 · never reused
Internal UUID01a0ae73-e503-7426-b814-46534a8bd2c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030388
StatusPUBLIC

Content hashes

Canonical textabeb4cf3c5a04a45c08fd1196a7931b98e79ba5a6ee4dea7d8e0ff6c2d700ddd
Markdown015e35a64a1242f7f90fa2da7a7e4cbde02f3da4651a643009895504f1b336e2
PDF
Publication page70330671b453ec9f58a81425d2ad26b311c4d7d245f462f7a3a5ed260f7d88fa
Manifest5753beec6e84903c40766cfa831854056571ca61ced81a8cbb25e9fd96d74411

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
Signaturee5K9flxXMViUR3Uc96dQflrMEHxd1emZFAFmHHYtdxmtPRtup7TeQj2RUPLWTUKru9Pb204YZ/QlbynXWqvyDA==
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

2026-09-17T11:38:06.885104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030388
observed 70330671b453ec9f58a81425d2ad26b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.867862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030388/manifest.json
observed 5753beec6e84903c40766cfa83185405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.851313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030388/publication.md
observed 015e35a64a1242f7f90fa2da7a7e4cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.834844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030388/publication.txt
observed abeb4cf3c5a04a45c08fd1196a7931b9...
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.