OpenTechnical

OT-2026-000045888

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000045888) never changes.

Identity and time

Publication numberOT-2026-000045888 · never reused
Internal UUID01a0ae7d-8f06-7a86-8715-6968f522ec04 · 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-2026-000045888
StatusPUBLIC

Content hashes

Canonical text36b1cc9da920c74063ad9145dcf5326aa48939575cfecfc7543a841d30fbb21f
Markdownafa9f9b0161410ab0f9254c4f3eea3c7bb9f38f114e7771175de72ecd32cb2bb
PDF
Publication pagec43a0c36c1b1cd267024f392345813ec9274a685a2780066d5559e2d3a6a5dba
Manifesta374d4f642722366b79c77126b40589fb07bb55f3bc6c6986dcff87fdc974f4c

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
SignatureYyYAeQkAPflXHGwMFDu/gwcA+5t8dYUMXopSUkS7hh6XKTizaMnze1shAkvJIPaqFpDqvhirySsrIficqscgBA==
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

2026-09-17T11:09:46.907499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045888
observed c43a0c36c1b1cd267024f392345813ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.889554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045888/manifest.json
observed a374d4f642722366b79c77126b40589f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.872057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045888/publication.md
observed afa9f9b0161410ab0f9254c4f3eea3c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.853307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045888/publication.txt
observed 36b1cc9da920c74063ad9145dcf5326a...
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.