OpenTechnical

OT-2026-000021309

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000021309) never changes.

Identity and time

Publication numberOT-2026-000021309 · never reused
Internal UUID01a0ae6f-865c-7f9c-971e-b41342d7e62a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021309
StatusPUBLIC

Content hashes

Canonical text32e2104596fca8fcf7474c438c5b68ad6efa39efbee941aac1cdad76eb6156c6
Markdown6dff994d01e037c73dac5334370613ff3201e0d9dff94ec66aa3d0739142dd8d
PDF
Publication page8f46d3e308571f953aab08721ba17872afbfa9a6b42205716b9509a2c32161fc
Manifest735745bbf04a86ec86b6f4a0a67912f192989479065ac62907c31566d89e81c7

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
SignatureG1zb0SCubRDVvn9bnr/S8XdgDnVrsQpGGsaf2p7KB6dcgdMkUdF92Pqc/DpKccuuiKHYQwoN+aRaLEAiNzkAAw==
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

2026-09-17T11:55:04.799345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021309
observed 8f46d3e308571f953aab08721ba17872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:04.780291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021309/manifest.json
observed 735745bbf04a86ec86b6f4a0a67912f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:04.762858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021309/publication.md
observed 6dff994d01e037c73dac5334370613ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:04.722382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021309/publication.txt
observed 32e2104596fca8fcf7474c438c5b68ad...
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.