OpenTechnical

OT-2026-000019673

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000019673) never changes.

Identity and time

Publication numberOT-2026-000019673 · never reused
Internal UUID01a0ae6f-1fb3-7a47-9246-5de87aa89579 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019673
StatusPUBLIC

Content hashes

Canonical text45e6c1544d9a6ae795644e816556149cd07fcf84f7365e388d3f9f1afea18a3b
Markdown23e35ddf224c3e210a27167a6f553790d8aa24e968cf4112a54ebe0983197363
PDF
Publication pagea9d3c6cee74b75d4e628e1323055576aaf6b10f23ab5ae3938e1ae7f73e9b633
Manifest796edc4c06438bfa49e575dad0c6f7096c8c1517db4df262d73ed510f448dd27

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
Signature6eJJWgx+UiULP6Z74SN9yOCUVB3LfDC0VCU/2dAyZODx2Os6dknlc0q3Yo7aGT6fOABs+o0OQS4I0GI8eRW9DQ==
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

2026-09-17T11:57:44.562955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019673
observed a9d3c6cee74b75d4e628e1323055576a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.546208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019673/manifest.json
observed 796edc4c06438bfa49e575dad0c6f709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.529715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019673/publication.md
observed 23e35ddf224c3e210a27167a6f553790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.512020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019673/publication.txt
observed 45e6c1544d9a6ae795644e816556149c...
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.