OpenTechnical

OT-2026-000045560

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000045560) never changes.

Identity and time

Publication numberOT-2026-000045560 · never reused
Internal UUID01a0ae7d-8f02-760a-b798-e35c2a18063d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045560
StatusPUBLIC

Content hashes

Canonical text2b81fd98c21ac56a7e1f09dbe57af833a9e4cd521b8596bbb0f74e2772b7b6b6
Markdowna06f96e22da86427f90255e800308308f649133ec0443bf30df6f5314fdf5987
PDF
Publication page307d5443df6d680cedcb63506a22003dab010f48bb42b33370b753c3e6ab82de
Manifeste7bc0375388b92d295610c4503a3abe8d34f2326211f5a78d6ec9cc4e6e40dbf

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
SignatureQj7XnUVQ07UqYyTGYY5GQNo/cJkgMxyTx5oskdkphtObxdUPzupL1Vp4/g//lg8adXC4eRlSMu+J3MTJHTCVCg==
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

2026-09-17T11:09:19.061570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045560
observed 307d5443df6d680cedcb63506a22003d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.040132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045560/manifest.json
observed e7bc0375388b92d295610c4503a3abe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.020721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045560/publication.md
observed a06f96e22da86427f90255e800308308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.000666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045560/publication.txt
observed 2b81fd98c21ac56a7e1f09dbe57af833...
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.