OpenTechnical

OT-2026-000026543

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000026543) never changes.

Identity and time

Publication numberOT-2026-000026543 · never reused
Internal UUID01a0ae71-f4a9-74d8-88fb-5326fa08eee5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026543
StatusPUBLIC

Content hashes

Canonical text3df0bf3b3acb67b606e06c5b4ed77adbf090e3b698305c92c8ee2efbd48b419a
Markdown08fe2d195bce15978c6d317dbca34c3ca22013f10c7ac064284dd41f70450d46
PDF
Publication pagec391bb1b1cd65c085c31730f6ad8c98f9474634744f9c605c9f99d6da62b64d0
Manifestf2d65ec60bfa72b22b225adae5f1eb5eb046e4d2f99503cd357b7bf7e43cc16f

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
Signature3JUMgym7JT67X5sVMPIbx9PF7QjMBcdlm1vBqcDyfhgsZHK82KRSWCYJwK4RmSscKSXO06wzZEeuzpJcDTYLDg==
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

2026-09-17T11:44:40.354868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026543
observed c391bb1b1cd65c085c31730f6ad8c98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.338359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026543/manifest.json
observed f2d65ec60bfa72b22b225adae5f1eb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.322181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026543/publication.md
observed 08fe2d195bce15978c6d317dbca34c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.305637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026543/publication.txt
observed 3df0bf3b3acb67b606e06c5b4ed77adb...
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.