OpenTechnical

OT-2026-000025800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000025800) never changes.

Identity and time

Publication numberOT-2026-000025800 · never reused
Internal UUID01a0ae71-a83e-76b7-b222-a59a947bbc73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025800
StatusPUBLIC

Content hashes

Canonical textfc785e3e2d1932644b19470c6e45941dd070c4f0a33ea72fa8e00d351efee5c4
Markdownad5bda6f912cbe58d891d9d16057d773a9434c9abe71b26e19d663ea3f1ae41d
PDF
Publication pagef905693f8b1f3e184cbadd9ab4d5e260e6cdb608b937124fc76da27b09df503e
Manifest28dab0a96effd7c5da2db6cd0185d1a42d53ce9eedd3aa846a1701023a520d15

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
Signature0EpLxEIH3fQsOwvMoX2nWYe7zt3YbzBoqFAsu9kEI9+TrObn9mUeygDVZ6B9I2mPSLtxS899uqBazaszJibeBA==
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

2026-09-17T11:46:00.457718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025800
observed f905693f8b1f3e184cbadd9ab4d5e260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.437876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025800/manifest.json
observed 28dab0a96effd7c5da2db6cd0185d1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.420953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025800/publication.md
observed ad5bda6f912cbe58d891d9d16057d773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.404430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025800/publication.txt
observed fc785e3e2d1932644b19470c6e45941d...
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.