OpenTechnical

OT-2026-000029521

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029521) never changes.

Identity and time

Publication numberOT-2026-000029521 · never reused
Internal UUID01a0ae73-5e21-77af-9d53-40651736be95 · 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-2026-000029521
StatusPUBLIC

Content hashes

Canonical textca10722ae9a3a303e992d57d7ce1b84270877398fb95cc746ae19b790902ff91
Markdowne8a451cfb71e1985846eba6266b5c1167f90c8caffdf2dc58fdb16c0097cdbce
PDF
Publication pagea3ad4252c43db28830fe95ae6be33935e00705cedef3fe5fa4779699cc9c45a9
Manifestafa1298af867cac35a3b375f3748386e0d518a16604431920e0a9d85d9052f0b

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
Signature2W6elBw4yNaTfcg3pc9tDMWVHxiF+fzyCnIa54gxOo+NjpPWqOBBWZbCsFVq6HhPhrtFhIbG5K5f0/Syzx1ODA==
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

2026-09-17T11:39:10.069361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029521
observed a3ad4252c43db28830fe95ae6be33935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.053856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029521/manifest.json
observed afa1298af867cac35a3b375f3748386e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.035689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029521/publication.md
observed e8a451cfb71e1985846eba6266b5c116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.014076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029521/publication.txt
observed ca10722ae9a3a303e992d57d7ce1b842...
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.