OpenTechnical

OT-2026-000023639

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000023639) never changes.

Identity and time

Publication numberOT-2026-000023639 · never reused
Internal UUID01a0ae70-aed3-7322-b92c-34a89cf10582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023639
StatusPUBLIC

Content hashes

Canonical text46ae72a5cfd893d2988f236e33b31887a4c8bea3df8c4b099ef8008933059aab
Markdown6e0627226e05ad91e1d080891a1e1c54f1ae81ed4b0f11f51671f41e06847314
PDF
Publication page0e08cc4252d88fb85dcb94f05d183f4262a4876505dadbf75bf854a4ced8812e
Manifestfd3c80995cf15cc9c510a24329dd548a6b3605dbaa967b73faaa195e93de96f4

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
Signatureqn/pvkaPspnJEh6AhjlT3AFvc94ZPcvzE8nSzY18YdOmxRhw0hNWrszdjNl9F7M9/MDqaVedoGVp93YxxL0iAA==
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

2026-09-17T11:49:50.953524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023639
observed 0e08cc4252d88fb85dcb94f05d183f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.936279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023639/manifest.json
observed fd3c80995cf15cc9c510a24329dd548a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.916491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023639/publication.md
observed 6e0627226e05ad91e1d080891a1e1c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.899619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023639/publication.txt
observed 46ae72a5cfd893d2988f236e33b31887...
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.