OpenTechnical

OT-2026-000025597

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000025597) never changes.

Identity and time

Publication numberOT-2026-000025597 · never reused
Internal UUID01a0ae71-5fa9-757d-9df0-fd990307f237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025597
StatusPUBLIC

Content hashes

Canonical text053ba424f7491f13512ba6e6d591a4f196408a37525adfbfb0f155c22752419e
Markdownbe1db6b07cac65346e11ffd1ef581caf8d531ad720146001f291099fa31c89da
PDF
Publication page465ee9e0e7f12e2cb3ebeb7c0de05bdca67beb976ec3e1b9f4b19ae5a1236fc0
Manifest4fc0f297dce324b161a487c913251a40f8092c0781f9a7c2f65e1bf2d6558b7a

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
SignatureDqgs6Z3Txi5X3OzX8/XljvRJIErC7mgy3IEyMmhlP+rG1YZ20MNGVKNDrPg2/vbd35kooONmlw60/UFQqbOJCA==
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

2026-09-17T11:47:45.933417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025597
observed 465ee9e0e7f12e2cb3ebeb7c0de05bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.914851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025597/manifest.json
observed 4fc0f297dce324b161a487c913251a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.895210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025597/publication.md
observed be1db6b07cac65346e11ffd1ef581caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.876035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025597/publication.txt
observed 053ba424f7491f13512ba6e6d591a4f1...
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.