OpenTechnical

OT-2026-000016189

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000016189) never changes.

Identity and time

Publication numberOT-2026-000016189 · never reused
Internal UUID01a0ae6e-2d11-74a1-b33d-28685afea003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016189
StatusPUBLIC

Content hashes

Canonical text63290b944e3c258d213381ee864d1a751e064cc58a6fb4428cd51eb99c49b8e7
Markdown76abe6f9f7076fc1a68918a25839d85c5493fac40d63094d6d5de563e8204cd7
PDF
Publication pagea40b00a7c3b438af8e8dcc0b0772a98c916db96ebaad9e5ffa2e634cb49e057e
Manifestef018bbe92580c34d650a652fe0d418e921fa550fbd5392bf3611ba3fd5461d3

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
SignaturemFSDFsglBFFsusbFqrFjEh0maqTcaNXXqfdbJvZoe28cMRw3WXWqVBW4uCzaXm1tV+rVhN/1uTmLj4qD8nxzBQ==
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

2026-09-17T12:03:38.691286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016189
observed a40b00a7c3b438af8e8dcc0b0772a98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.674984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016189/manifest.json
observed ef018bbe92580c34d650a652fe0d418e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.655774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016189/publication.md
observed 76abe6f9f7076fc1a68918a25839d85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.637111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016189/publication.txt
observed 63290b944e3c258d213381ee864d1a75...
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.