OpenTechnical

OT-2026-000041796

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000041796) never changes.

Identity and time

Publication numberOT-2026-000041796 · never reused
Internal UUID01a0ae79-e8a3-70ff-94e9-0ab6297fe117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041796
StatusPUBLIC

Content hashes

Canonical textc847cf8e77e3e8ab6d79913c138b429b987f062dd667aa9f4cd3bd3bb6947843
Markdownb584ea66a9206ecfe7a311e35b3a9a3915219e6be2a61a1c098ed11ecb405931
PDF
Publication page5da4d9daa7328041caa6f2080bac3541d0d78ffc1a0602ffc897f44db2089a5c
Manifest3b94ff939c989672957acc1f815a42ca4b1676bca49b35c1e898f002dc3f0b4e

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
Signature7ish0J5R09qTcbetmrqdYf2lmiQUZFCq890EE4zRgK3i4xhRh8r+O6ERSC4iubAWQx0PfuSQdvzqmQY+BQUjDw==
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

2026-09-17T11:16:39.218703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041796
observed 5da4d9daa7328041caa6f2080bac3541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.054536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041796/manifest.json
observed 3b94ff939c989672957acc1f815a42ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.017047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041796/publication.md
observed b584ea66a9206ecfe7a311e35b3a9a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.996428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041796/publication.txt
observed c847cf8e77e3e8ab6d79913c138b429b...
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.