OpenTechnical

OT-2026-000040390

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000040390) never changes.

Identity and time

Publication numberOT-2026-000040390 · never reused
Internal UUID01a0ae79-2701-7278-b048-c994c5ff3a12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040390
StatusPUBLIC

Content hashes

Canonical text2aaa4ef450d9c46f1e9daf6bd8b52379c4f7f5b6e0754a56be4d9a7be68f0521
Markdownbb9728adafacd78817cc1500f910638857801a5325581bc334ae18f686e9bf71
PDF
Publication page6b296d61e840acffd7ab9e7762f6877d799527aebf932f2341eb68383f5bb388
Manifest7562434edcb80207de01bcb9d282957b6332360f32c5ce752563733ee139cbee

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
SignatureXoV1ps+kD4YLDA0N0s4Kmh6tvhA2S2CmpFKZQoVBl/TdhFilvwk90FzTd4yVK/pnaYV6FzxoibxH1W2STrcLBw==
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

2026-09-17T11:19:25.073954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040390
observed 6b296d61e840acffd7ab9e7762f6877d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.057095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040390/manifest.json
observed 7562434edcb80207de01bcb9d282957b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.037879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040390/publication.md
observed bb9728adafacd78817cc1500f9106388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.018469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040390/publication.txt
observed 2aaa4ef450d9c46f1e9daf6bd8b52379...
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.