OpenTechnical

OT-2026-000014229

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000014229) never changes.

Identity and time

Publication numberOT-2026-000014229 · never reused
Internal UUID01a0ae6d-b279-7d3f-bd54-fb8bb4cf295f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014229
StatusPUBLIC

Content hashes

Canonical text6ababccdabb3959c998dfc85f98e0f256262147bae63e591243a7c6476501322
Markdown70a935e66c4c26d290ddf3176c82f83ece8121a683eaa65bfd12c97f9aa2400a
PDF
Publication paged356bfcdf55dbef27dc750c02c05a1778275f3c1b09f7ac7871352d69c14eb9b
Manifest8442a4f76846b854c841bb523fe9f6ca2f0fecd20be2f5a82197cc0f93a57c9f

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
SignatureMSqk3pSFc/pGTPPCxij2jP+3vviztOFysG7wKnQF3GIoA6ivC8jqVwxXV9Iv5E7ph26MUXeqJURv6p4ruoQYDw==
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

2026-09-17T12:07:20.595841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014229
observed d356bfcdf55dbef27dc750c02c05a177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.573603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014229/manifest.json
observed 8442a4f76846b854c841bb523fe9f6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.551460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014229/publication.md
observed 70a935e66c4c26d290ddf3176c82f83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.528873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014229/publication.txt
observed 6ababccdabb3959c998dfc85f98e0f25...
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.