OpenTechnical

OT-2026-000071599

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000071599) never changes.

Identity and time

Publication numberOT-2026-000071599 · never reused
Internal UUID01a0ae91-e0ee-796f-aa42-6c4f0c4d7895 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071599
StatusPUBLIC

Content hashes

Canonical textcf848d810f65e70904436f2d4e432c4b253c3aaf0a40ddded3b46f0484a8fcdf
Markdown1967beb1625cbde4e14edee2aad6d952ffb5f17a55b33bdf53513bf6e52df8c6
PDF
Publication pagebeec89ed7e90a437a2b5b5a45a59f4562137bfcbb84b0c5f0b6364ae0abbcdde
Manifeste409d633090558446af1263be6841ee2184b9fc93823cf69f5570af18938feb5

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
SignatureU+lDIGAJYYDWuvAq1olghNClwODb+ljkrSl8cofTzjzfkec4iZB9/D3Wy5UE7IZK5uI7YbQEuaJqFO+9C5TjDA==
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

2026-09-17T10:25:14.923389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071599
observed beec89ed7e90a437a2b5b5a45a59f456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.905046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071599/manifest.json
observed e409d633090558446af1263be6841ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.886100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071599/publication.md
observed 1967beb1625cbde4e14edee2aad6d952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.867559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071599/publication.txt
observed cf848d810f65e70904436f2d4e432c4b...
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.