OpenTechnical

OT-2026-000025725

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000025725) never changes.

Identity and time

Publication numberOT-2026-000025725 · never reused
Internal UUID01a0ae71-9bca-7183-a036-ef28bb1c176c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025725
StatusPUBLIC

Content hashes

Canonical text78c6013a4a28b36c64307cff93b99a2f834664414a548b09cbc9db0decd7bc19
Markdown8cfcf5828532a2f6f4fa82c9d8a3d7ff35ddceabeb7169b6ee0e5f6e5518e426
PDF
Publication pagec2beaa6e17cbec6b59b9fd0d2817366931f070865d91d1e01ac211ad1b0502a1
Manifest792ea90baa9050b417c50ae3a9b7e9a895d7a8f8da746d75ccccb9bd6358f14c

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
SignatureXoQhBdGur1MgqLRvUYqPc6Lnx86AuYkhYcWb0045/vKW84jbtmr7b9ljDdC1XKUT4g3NMNedMJ67Pj9USBZ/BA==
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

2026-09-17T11:46:56.671528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025725
observed c2beaa6e17cbec6b59b9fd0d28173669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.655401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025725/manifest.json
observed 792ea90baa9050b417c50ae3a9b7e9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.638481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025725/publication.md
observed 8cfcf5828532a2f6f4fa82c9d8a3d7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.617974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025725/publication.txt
observed 78c6013a4a28b36c64307cff93b99a2f...
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.