OpenTechnical

OT-2026-000014781

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000014781) never changes.

Identity and time

Publication numberOT-2026-000014781 · never reused
Internal UUID01a0ae6d-d094-7ece-bd4a-bb6e28fcc46e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014781
StatusPUBLIC

Content hashes

Canonical text882cab2eddd1f53bfad770a2992936ebf2643428b7551f719973f5f70fa58155
Markdown78e32a73b50b7e9e4862ed0b305c5aed024d0696a6e6b4ad9e2870dff331cf8d
PDF
Publication page5f56b0e10f0d499c86f561d19ec83ba199c6c9f299b37d7a2a0792c498729768
Manifest055e458d9fdaceebcd05e784230d5ed08dcbb3b8a5665e16de56fa4b6f557946

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
Signatureeir/3fTjEQingVXpD6pBrP9F/cFsiBGeNKR2sne7SYq/Z2Jo+7GmfUPQbINw9Kqm46PIPpOFLLhXSAqst/dxDw==
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

2026-09-17T12:06:40.290873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014781
observed 5f56b0e10f0d499c86f561d19ec83ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.272947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014781/manifest.json
observed 055e458d9fdaceebcd05e784230d5ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.255647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014781/publication.md
observed 78e32a73b50b7e9e4862ed0b305c5aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.235369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014781/publication.txt
observed 882cab2eddd1f53bfad770a2992936eb...
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.