OpenTechnical

OT-2026-000004924

Publication integrity record

Porous face vacuum gripper, four outlet manifold, plant vacuum fed, vented after set down

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-2026-000004924) never changes.

Identity and time

Publication numberOT-2026-000004924 · never reused
Internal UUID01a0a927-fcab-7045-9ce8-9b124a853987 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:39:25.229822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004924
StatusPUBLIC

Content hashes

Canonical text60d6d5ad6cc079ce4a48e6e1b5c7f53f2eb086f216c4e93b0a3c75c59e915855
Markdownb4e989fad9117c013de835b120e20952fc596a19c0ed8abc2e004f3502dd47c4
PDF
Publication page7ca1bed4798611b8725793b5e1c0e0d7f8cd739b476765e66a15c780ec19ce03
Manifestaf86e6fe6c0e150faef3a03b6d823bbf6cda8513c19e352ecebd849a10b624b8

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
SignatureuzQTkQLExAFZniQ3gptX3sjBZj9TNGTX1+SHzlQs/xDUYMxIPCppTsSX2r/mFUQhT9F1Vsf2w+l5u3f6TMwFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:04.186744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004924
observed 7ca1bed4798611b8725793b5e1c0e0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:04.172544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004924/manifest.json
observed af86e6fe6c0e150faef3a03b6d823bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:04.158886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004924/publication.md
observed b4e989fad9117c013de835b120e20952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:04.145433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004924/publication.txt
observed 60d6d5ad6cc079ce4a48e6e1b5c7f53f...
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.