OpenTechnical

OT-2026-000010811

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000010811) never changes.

Identity and time

Publication numberOT-2026-000010811 · never reused
Internal UUID01a0ae6c-540c-71d6-83d4-0a922d9c935d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010811
StatusPUBLIC

Content hashes

Canonical textb42d901a3592fa019c3ff72c575d1a31f55816f3bdcfbf146808e1b15e82d9c6
Markdown3e3e1cad42631d279c8a679fda96432730e9240404a1196ad84a274c38aff304
PDF
Publication page1977848cf6126919e545ee4425780610c1983f43d58edec116563c15b465665c
Manifest810881d48d9788013781a9a88e09144262f918c96e86f37efc5455f9229edf2f

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
Signature2tPe6VP9OFNCzOVNOWfNDbqoIHMDWIP+UkiRB20I30BaENFLseyfSSybe3RHiqqnSVbcLi/XgRvgVcdBs3PDDQ==
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

2026-09-17T12:13:34.157841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010811
observed 1977848cf6126919e545ee4425780610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.138121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010811/manifest.json
observed 810881d48d9788013781a9a88e091442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.118837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010811/publication.md
observed 3e3e1cad42631d279c8a679fda964327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.100774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010811/publication.txt
observed b42d901a3592fa019c3ff72c575d1a31...
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.