OpenTechnical

OT-2026-000015903

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000015903) never changes.

Identity and time

Publication numberOT-2026-000015903 · never reused
Internal UUID01a0ae6e-0c4d-7b49-8579-d80c5d681e82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015903
StatusPUBLIC

Content hashes

Canonical textfd8ac2eb770551b9381ed05530d9f2b92d38b49430b7ca19d6650c5230bf86ae
Markdownd930cf739448dea9afa809616fa80bf9cc5a1f78068d6e44daf2362168614b90
PDF
Publication page92ad27ceb74c4f60ef84ef149695447c709d0862b326be31c77200340dc75be0
Manifest13e60d8d44cf5956f95252dcdc9f8b20c352aebe2b827abb4c9699c437a73e6f

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
SignatureQCP0biDSdy/uKWdAeYpyjNkVqsEeKswyLkmHwkzgyFT5OVszEBpnbnOjDf9V0JFE6/OVtOW7JlpPCw/EllAnDA==
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

2026-09-17T12:05:21.822943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015903
observed 92ad27ceb74c4f60ef84ef149695447c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.804529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015903/manifest.json
observed 13e60d8d44cf5956f95252dcdc9f8b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.787498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015903/publication.md
observed d930cf739448dea9afa809616fa80bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.770103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015903/publication.txt
observed fd8ac2eb770551b9381ed05530d9f2b9...
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.