OpenTechnical

OT-2026-000025426

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000025426) never changes.

Identity and time

Publication numberOT-2026-000025426 · never reused
Internal UUID01a0ae71-5fa7-7ae6-a0f6-0ec808d47079 · 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-2026-000025426
StatusPUBLIC

Content hashes

Canonical textd04905b52e82af299ab43163f0ed65120c747841c05d7e9262bf589a4c147587
Markdown602f7ee70f0c6b7bd51d7501c7461c2c58c3f4f6f673b34d08f5233ac2d8c46f
PDF
Publication pageeea25a35aa46daeb2487312cb4e777134e8b7e717a54e81987defeeb32ee723c
Manifest31f64108a6001f8c97ffa5cb90eed90c292fce98291fde04ff33f106c0dc3fb0

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
SignatureCwv6AE/peGBA4QTO+WCfhTv6klIK4IGP9x20IeOMCL5bHNMv2PD+tcVtOL2t23hrdatLdyvzubLEFqRu/W8FBQ==
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

2026-09-17T11:47:30.225237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025426
observed eea25a35aa46daeb2487312cb4e77713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.203463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025426/manifest.json
observed 31f64108a6001f8c97ffa5cb90eed90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.185005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025426/publication.md
observed 602f7ee70f0c6b7bd51d7501c7461c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.165113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025426/publication.txt
observed d04905b52e82af299ab43163f0ed6512...
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.