OpenTechnical

OT-2026-000038209

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000038209) never changes.

Identity and time

Publication numberOT-2026-000038209 · never reused
Internal UUID01a0ae78-2d51-7292-af91-293d1f4409d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038209
StatusPUBLIC

Content hashes

Canonical text941bfc92ee25cdaac8279f5de9305fadf64b1b4d6bdc9d2e3bf1940f54d0eb77
Markdownf8bb68c242ec5e88faebd5a558d461652852bce408450127ec2eecdda962972c
PDF
Publication page0b502a861cbbb15a16c7271579d47727807e19986d2af0b3a6eafa88ea01aa48
Manifest99f774c0220d8728ae843a7d78ef032d849c374c28f4e80380f937ed63e6e83f

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
Signature2rg4gDBZv+Fiuz4FbMubgVKIEI3yPzDj1hK+oMnlritynLWY8yyEHBHldYfNJ4Zm0gN6ygEQ3giz0yUHdAIUAw==
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

2026-09-17T11:22:20.767915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038209
observed 0b502a861cbbb15a16c7271579d47727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.750748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038209/manifest.json
observed 99f774c0220d8728ae843a7d78ef032d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.732292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038209/publication.md
observed f8bb68c242ec5e88faebd5a558d46165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.715314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038209/publication.txt
observed 941bfc92ee25cdaac8279f5de9305fad...
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.