OpenTechnical

OT-2026-000029530

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000029530) never changes.

Identity and time

Publication numberOT-2026-000029530 · never reused
Internal UUID01a0ae73-5e21-7a07-adae-12cc9c7ceeab · 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-2026-000029530
StatusPUBLIC

Content hashes

Canonical textc006521dd992d75bb8712eff26ab144daed5c10b0a5a97a77d058e885e538a18
Markdowna60adc0ab4c355b82389efb25498f82d1fa127f5b39707bd34f513253a46f419
PDF
Publication page36736b85d0e94f78d67b026f1dd457c1d1b2806608a07f233827fc6ff0836ec4
Manifestcd4d08fd61da7cc56d6ff120dbd8631eff7742997a33aa86b98afc8682f358ef

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
Signaturezl5WXxynNUwUE05UHqf42h8CaR/0F8DpBlz6sTwHpvKL5dw8gAOdM5cd0gIcniBNIW3rUsA53FmtBfAmRuIkDQ==
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

2026-09-17T11:39:10.925373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029530
observed 36736b85d0e94f78d67b026f1dd457c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.906940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029530/manifest.json
observed cd4d08fd61da7cc56d6ff120dbd8631e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.888004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029530/publication.md
observed a60adc0ab4c355b82389efb25498f82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.870102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029530/publication.txt
observed c006521dd992d75bb8712eff26ab144d...
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.