OpenTechnical

OT-2026-000018053

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018053) never changes.

Identity and time

Publication numberOT-2026-000018053 · never reused
Internal UUID01a0ae6e-96fd-7617-867b-955a46001a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018053
StatusPUBLIC

Content hashes

Canonical textfdb01f12902fac93fac40cb4d94aabf9d485178abc3528bde44e32ff5fb66815
Markdown09becbc4c15c52f82b4adc801cc281f415a1eb70c440241dfd2648919c423fea
PDF
Publication pagef1bbb53a20d5315747f0e1e3a9b2e96cb06b5e3a8ef1d06ad2fdef7bbaf11813
Manifest1f1676448ccc35c32ecb0c0af2a247d55ebc6afbd7edca025c57edf090da5246

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
SignatureTZClhgzVRqEyWhtMrp4I9sfc8odK0NQ/Q0stOP+wEMWAhak81wmb1ZObHs5MyGnK/mLD3Asst7NbGWK6bkFYDA==
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

2026-09-17T12:02:05.424071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018053
observed f1bbb53a20d5315747f0e1e3a9b2e96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.408074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018053/manifest.json
observed 1f1676448ccc35c32ecb0c0af2a247d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.391197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018053/publication.md
observed 09becbc4c15c52f82b4adc801cc281f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.372623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018053/publication.txt
observed fdb01f12902fac93fac40cb4d94aabf9...
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.