OpenTechnical

OT-2026-000015856

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000015856) never changes.

Identity and time

Publication numberOT-2026-000015856 · never reused
Internal UUID01a0ae6e-0c4c-753e-a4be-77bbab5b1e5e · 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-2026-000015856
StatusPUBLIC

Content hashes

Canonical text1e2c84fb47c03c65c2bfb84233b9935ef553f96a0cad5112f0a5298c5da6c01a
Markdownea339f29b9766ae977d0db714b3129c77c168839db764d36c6bd4b14202fbad8
PDF
Publication pagea206cf39feb70c9fcbc29a67cff9549259fe52a6fd5c4ee1e26bed42377b2b52
Manifest4f11787f63d3f879e77d2d1954fb93626dbea6958aa23035b68bd52093cb39ab

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
Signature9G9A+Abs2kYUBi2ewnNaelnYencHjoVdWBll1q/rioaf3CxkIS/Y/i6rlEYuWlOVVmnkLs282anHBFMVxjDwBw==
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

2026-09-17T12:05:17.799121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015856
observed a206cf39feb70c9fcbc29a67cff95492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.777924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015856/manifest.json
observed 4f11787f63d3f879e77d2d1954fb9362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.757516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015856/publication.md
observed ea339f29b9766ae977d0db714b3129c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.735874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015856/publication.txt
observed 1e2c84fb47c03c65c2bfb84233b9935e...
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.