OpenTechnical

OT-2026-000033539

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000033539) never changes.

Identity and time

Publication numberOT-2026-000033539 · never reused
Internal UUID01a0ae75-a38e-72a5-91ce-cc34474f230d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033539
StatusPUBLIC

Content hashes

Canonical text869db7b88ddceeeb086f4694f9c9b5548a478e726638c3a2ecabe3ff2997bb87
Markdown413fa910d000a6df49663446a1a9f8ced028780b8d8819bc14123b3955a1c468
PDF
Publication pagef0076cacd40138899696951dd7e094336d3d0d79d4f730b51983c71a70b14cca
Manifestf26382d5448e4d786fd5152bd216e4ea335c32974a0e78bb6c364dac1cce42ae

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
SignatureMre6x6K0PYeOCQ5NSl5R4RxSBjsRMg3DzKCpM0vLNG+L31dwTNwS/eg7QNiGXzmq9PmQT4DsOyce4WbPGa8dAQ==
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

2026-09-17T11:31:24.016040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033539
observed f0076cacd40138899696951dd7e09433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.997585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033539/manifest.json
observed f26382d5448e4d786fd5152bd216e4ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.978540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033539/publication.md
observed 413fa910d000a6df49663446a1a9f8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.960423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033539/publication.txt
observed 869db7b88ddceeeb086f4694f9c9b554...
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.