OpenTechnical

OT-2026-000029565

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000029565) never changes.

Identity and time

Publication numberOT-2026-000029565 · never reused
Internal UUID01a0ae73-5e22-7151-a6e4-9776e775673f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029565
StatusPUBLIC

Content hashes

Canonical text3cbfd754e3100f2962c6dd00d7b53c51cdb613daac0344a01193e9e6f7b67994
Markdownd56a4d09d36afd67449139f6d5e5181739a4ec80d29467930fc6c6a1e2e2ba7c
PDF
Publication page2d4e55268fc0253901522975b2e1eadb8c36a275f1c8e108ec68304fc00eff63
Manifest9dcdc20387a1bf18636da420a8572ed309103933289d486c2556dab5fc20daf6

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
SignatureyTA/22xif0AXzxqCcdr2ixgjAJFSQKNyJVErDRgW0icRkn++jp2CkSr3JszWB66tAt9VV2oMjiVhQywii+QwBw==
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

2026-09-17T11:39:15.714936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029565
observed 2d4e55268fc0253901522975b2e1eadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.696349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029565/manifest.json
observed 9dcdc20387a1bf18636da420a8572ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.677282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029565/publication.md
observed d56a4d09d36afd67449139f6d5e51817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.657052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029565/publication.txt
observed 3cbfd754e3100f2962c6dd00d7b53c51...
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.