OpenTechnical

OT-2026-000032447

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000032447) never changes.

Identity and time

Publication numberOT-2026-000032447 · never reused
Internal UUID01a0ae75-106e-7169-90f7-7a331d2937c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032447
StatusPUBLIC

Content hashes

Canonical text60c6cedfdd41108d27f7de0aa732e880267b6be6f988db6e8d5d8be219abde42
Markdown9e4748e6ef6f63dcf369f85ba3b758c961492ebbe0bb52c1eabd65fc6d2a6ace
PDF
Publication pagebb14fe941c6d3fb52cdf5999dcc7a57ba1aafe9362f4aeafa0f7280aee34631a
Manifest414beb404724649ed634ac8c74fed73515c2624da05aabe066d7c786d2540bb0

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
SignatureSbS3t3C1T1u9IRkZcC2lekbqdlE2yfr7m1iWoBXR0rEj4X0pHixhqbuMomgHPhdu7bSfSwivFwsodAE683GEDA==
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

2026-09-17T11:33:52.417716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032447
observed bb14fe941c6d3fb52cdf5999dcc7a57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.400325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032447/manifest.json
observed 414beb404724649ed634ac8c74fed735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.380586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032447/publication.md
observed 9e4748e6ef6f63dcf369f85ba3b758c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.361185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032447/publication.txt
observed 60c6cedfdd41108d27f7de0aa732e880...
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.