OpenTechnical

OT-2026-000039928

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000039928) never changes.

Identity and time

Publication numberOT-2026-000039928 · never reused
Internal UUID01a0ae78-d8d7-728b-862b-4e89c6d1430d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039928
StatusPUBLIC

Content hashes

Canonical text0eb888cc9584819994989478ff6e64d925047746889564026a8d3ff017dd1ce1
Markdown9c42d6768e669fb110d05aef9ca371d8b520a6ce6c70a34fafbaa253e07cd22f
PDF
Publication pagee83f7b1910ab79182c72dcd2b8be4e9482ff5bbb2aa47f7131c8a4ed431a6564
Manifeste4518ff8b3a1bd060c762c25a923e154a3d0c1073c1b8a555ff6db55dc3ee7ab

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
SignaturelUf3ioxdlkjOr/jch9lIpgS0OcuaRZPBERqVn/FgHRIQNWnrBugyU5A4pwO1FSyeU4HhhYC9IMmQuULlb82cBA==
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

2026-09-17T11:20:13.797979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039928
observed e83f7b1910ab79182c72dcd2b8be4e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.779129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039928/manifest.json
observed e4518ff8b3a1bd060c762c25a923e154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.757447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039928/publication.md
observed 9c42d6768e669fb110d05aef9ca371d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.737202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039928/publication.txt
observed 0eb888cc9584819994989478ff6e64d9...
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.