OpenTechnical

OT-2026-000025044

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000025044) never changes.

Identity and time

Publication numberOT-2026-000025044 · never reused
Internal UUID01a0ae71-2728-78a1-b274-002bba536373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025044
StatusPUBLIC

Content hashes

Canonical text3945a705c4f14e70e9877828a1b58c1b13e8efb6b8797b915c503b3813b317b1
Markdowneb39a77544b7264d11a4c41a1f957095f29e67f3cff1305b56e4d6c9187b327c
PDF
Publication page110608625e86abe44525489744b9bd3bea0c145923901bb14080db23a8828ddc
Manifestb87181bcd4bb6f0cf112410ee915c39ec374e6df1954d1b46a748b50c3bc143b

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
SignatureJrP1KHNFmJCDCA3CleoaMCrLTx9C3sDfD+l89LSf/6rZEtLnKAZ6LQ1paBIUfB1NGlR2eHrlqbkm9MCh9IpEDA==
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

2026-09-17T11:48:27.040901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025044
observed 110608625e86abe44525489744b9bd3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.024968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025044/manifest.json
observed b87181bcd4bb6f0cf112410ee915c39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.007735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025044/publication.md
observed eb39a77544b7264d11a4c41a1f957095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.989886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025044/publication.txt
observed 3945a705c4f14e70e9877828a1b58c1b...
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.