OpenTechnical

OT-2026-000045708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000045708) never changes.

Identity and time

Publication numberOT-2026-000045708 · never reused
Internal UUID01a0ae7d-8f04-78ae-9d1e-5d0b81209ca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045708
StatusPUBLIC

Content hashes

Canonical text6559c81f286f1ad57245fe08783a566e6c36659440a9dfa002b32c2ce6a1bbb7
Markdown5283d4e0c6166570eb9f1b78ffa6c62ff27bfe381d4479f653c4880a97b55ad3
PDF
Publication pagefcf1f82c268058857cd2e5c5177750a00e8a7df5f3fe219067de95f61ea92fd0
Manifestb255b87137723b6df5966e2f5facd858aaab6f1d4aca47b93233ef5211c9c8e4

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
SignatureWoE6MaAAX9pbk+wUtRNtcFQ87y4CJbR6CeP8MJWPQLWjCz7d7YIUx3JocH5ZR14XUuJWLbFmSgzprfipdRVnCQ==
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

2026-09-17T11:09:31.017025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045708
observed fcf1f82c268058857cd2e5c5177750a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.998299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045708/manifest.json
observed b255b87137723b6df5966e2f5facd858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.980812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045708/publication.md
observed 5283d4e0c6166570eb9f1b78ffa6c62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.962534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045708/publication.txt
observed 6559c81f286f1ad57245fe08783a566e...
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.