OpenTechnical

OT-2026-000050308

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050308) never changes.

Identity and time

Publication numberOT-2026-000050308 · never reused
Internal UUID01a0ae82-5c47-79cb-9f37-be7aefe4d043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050308
StatusPUBLIC

Content hashes

Canonical text065ca01faa5182cac0ef8c64feedc261c1e5e0cfcf75339b88d792f857d9648f
Markdowne1dd0da64bf68d809af41c50a4df39ab21ec94e6d062cfa04a583c820b5bdf9f
PDF
Publication pagee626cd4624c42a4718a4a9166b20f61c98867885246d0a34ab3cb00b9fe08488
Manifestf56eb53064ef076bdf48d8b69ebbb90973787e63ffaa7110a7db17a460e655da

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
SignaturenLIiyQOoV74jBJJjalm/E1m898D6dVm0ffJXIL6GEQVjth0YT5+e8St5Jv8Ay7JaiTMjT91rwMsiYZmM0tl/CA==
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

2026-09-17T11:01:19.113776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050308
observed e626cd4624c42a4718a4a9166b20f61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.096032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050308/manifest.json
observed f56eb53064ef076bdf48d8b69ebbb909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.079632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050308/publication.md
observed e1dd0da64bf68d809af41c50a4df39ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.062282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050308/publication.txt
observed 065ca01faa5182cac0ef8c64feedc261...
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.