OpenTechnical

OT-2026-000029310

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000029310) never changes.

Identity and time

Publication numberOT-2026-000029310 · never reused
Internal UUID01a0ae73-2aa1-7967-a1b8-c16c9e101056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029310
StatusPUBLIC

Content hashes

Canonical text1051333076360e6d0d2963211ded4b05151b70de0c03623e67a9284cebdddc07
Markdownf85c37dd25c22bbe849cb550ba6cf4f4a47592d8eb00ee94d25c1cfa948dab11
PDF
Publication pagee99a00c0171c352661d568401eeea1019df20be6a01d4da501f67669d6568120
Manifest4590404da13fb6491769166240fe6f2a3cfecd199c00fd771105f64b2d96d80e

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
Signature21T0fMBhDMCQDgBPDIms4U3thGqs7L1UDHBj/xH8GYaXVLIoFNEiK0AlVeV7cGWVN8V66fC+7SSeSLHdA9fmCg==
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

2026-09-17T11:39:57.027422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029310
observed e99a00c0171c352661d568401eeea101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.009217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029310/manifest.json
observed 4590404da13fb6491769166240fe6f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.992767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029310/publication.md
observed f85c37dd25c22bbe849cb550ba6cf4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.977469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029310/publication.txt
observed 1051333076360e6d0d2963211ded4b05...
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.