OpenTechnical

OT-2026-000025558

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000025558) never changes.

Identity and time

Publication numberOT-2026-000025558 · never reused
Internal UUID01a0ae71-5fa8-70e6-87f2-a556c4928a97 · 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-2026-000025558
StatusPUBLIC

Content hashes

Canonical text03b70d9e021cc3b68f4491ea60d2f52f6f356fe58fdb00e2d89732555393e4a6
Markdown513f09bcaf8af7db00748a154a73b1e897b01e1421d570ddf25370e37f6d92d5
PDF
Publication page56d58514be2a41e48d4a2c13db65fbe23e6a033c8025f425c5a2663579b35f92
Manifestb276aef87921e71439c5900c6460a0a167c205c406b566273880724645742d05

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
SignatureTZwERL40NEqxbTtd7A8jnYCVYkg/6gV4rhSyWRSHTrZQli/CyvHqCCFVh/cocEfPg681RofjYf1A30nBUM2+CQ==
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

2026-09-17T11:47:42.643423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025558
observed 56d58514be2a41e48d4a2c13db65fbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.622717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025558/manifest.json
observed b276aef87921e71439c5900c6460a0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.603732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025558/publication.md
observed 513f09bcaf8af7db00748a154a73b1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.582300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025558/publication.txt
observed 03b70d9e021cc3b68f4491ea60d2f52f...
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.