OpenTechnical

OT-2026-000039766

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039766) never changes.

Identity and time

Publication numberOT-2026-000039766 · never reused
Internal UUID01a0ae78-d8d5-7329-b863-65c48aec6a8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039766
StatusPUBLIC

Content hashes

Canonical text4504edf8ca039b2b216345af9167c7224d52207451161dc82ae8972207ffb3f6
Markdownbbe98716406abc0358700e5cd1e078105abb3b1dd7b41bc2c5a6ee4d7f82b346
PDF
Publication page0ab6452c814ff1fda8c8e0fee08513d8e176dd35a94004e56e226e470a9434b8
Manifest123f1687dff9e4efbd1c343c0e6a843a30355a60851c0b72d18938ae402d3c2c

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
SignatureRIE9UNdMDmFn6Yf1A7VV9UccRU/cZT+xDUPwVg2dATBJ9BhaZB5icO+loFBld8UapZQup88Eq3j9nDBSc6QyBQ==
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

2026-09-17T11:19:59.229048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039766
observed 0ab6452c814ff1fda8c8e0fee08513d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.211625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039766/manifest.json
observed 123f1687dff9e4efbd1c343c0e6a843a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.193035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039766/publication.md
observed bbe98716406abc0358700e5cd1e07810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.174214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039766/publication.txt
observed 4504edf8ca039b2b216345af9167c722...
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.