OpenTechnical

OT-2026-000042596

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000042596) never changes.

Identity and time

Publication numberOT-2026-000042596 · never reused
Internal UUID01a0ae7a-c0ce-7e17-b10e-a0679a9934aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042596
StatusPUBLIC

Content hashes

Canonical text5bcc1ae7ebc22cfdf918fa0b15fc163b61613b999d62e304644ecf18b113657c
Markdown5893f5224208625314655d06e69556d82425892724ac6034069f291cbe5217c4
PDF
Publication page9021a7d87aef44e156a2217542938e157644df1a7e11b33c8954939800f0caa5
Manifest9a5fd496e1c3b4f48c108e784f5a1acd5182dbf6e3bb30f8e7a43ea36b7665c4

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
SignaturezbNMhCkOKrQrX+FQUBk4j5pUcjlFnPqwWR6BSQMymKVSVOiDR0UZ64F9RXIhXoLx8txquT1KTY8N2n+Wk8sEAw==
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

2026-09-17T11:14:19.130568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042596
observed 9021a7d87aef44e156a2217542938e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.111570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042596/manifest.json
observed 9a5fd496e1c3b4f48c108e784f5a1acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.092510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042596/publication.md
observed 5893f5224208625314655d06e69556d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.073002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042596/publication.txt
observed 5bcc1ae7ebc22cfdf918fa0b15fc163b...
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.