OpenTechnical

OT-2026-000018550

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000018550) never changes.

Identity and time

Publication numberOT-2026-000018550 · never reused
Internal UUID01a0ae6e-b48a-7b6d-9d50-87e63bba561e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018550
StatusPUBLIC

Content hashes

Canonical textda5dbba75017e3a4af23c55e27beae5e283cc2040f79affcad7e582431413e30
Markdown96669d15c89bc7f3b737a7b1a5252e1ed053213e4af0924bc6200738249079ac
PDF
Publication pagecca1fa51d7d6af05345eff8bce85ffa18c0c10b89e3fd44e6f0ae8981bbed562
Manifest970424cffaab81500a998d8a9321e713a0bccd0467887464376624c59f030b4b

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
SignatureX4mqBwCnTkob4muSypwKbniJ61uNGBdVWmN7Q5PVuEZsUDt4cVfCa6rOYyEAP/h3l/jGrF3233c7lnkuUZDzAQ==
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

2026-09-17T12:01:17.732022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018550
observed cca1fa51d7d6af05345eff8bce85ffa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.706369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018550/manifest.json
observed 970424cffaab81500a998d8a9321e713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.689852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018550/publication.md
observed 96669d15c89bc7f3b737a7b1a5252e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.662648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018550/publication.txt
observed da5dbba75017e3a4af23c55e27beae5e...
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.