OpenTechnical

OT-2026-000040682

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000040682) never changes.

Identity and time

Publication numberOT-2026-000040682 · never reused
Internal UUID01a0ae79-6d0f-74ef-9689-9101f072b1f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040682
StatusPUBLIC

Content hashes

Canonical text0b3b348c07c59a1981fe0ec6c8dbcb307b4cb1905bacbc4cd2e0b26ef50a6b1a
Markdownd7a415151cc4e0d21f89d7d24a123174c23ab2042a775647cc1ee5fa45d61f5b
PDF
Publication page9645fcf0132f02553d4aa46f208e96745f8353f0780447082f571034d67d6d31
Manifest4ffb16d104d15af0256fcc4b5514c3b9de15e900980d9000325c313612118148

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
SignaturewchWDO6VCq/l6gbavvBtIBPZU/30yJp8Xut4cKkDEsBnMsUyAxmBAPPutAAcZ9lg0JZTE98iSitmT0CYDseKBg==
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

2026-09-17T11:17:52.662058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040682
observed 9645fcf0132f02553d4aa46f208e9674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.644505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040682/manifest.json
observed 4ffb16d104d15af0256fcc4b5514c3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.626835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040682/publication.md
observed d7a415151cc4e0d21f89d7d24a123174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.609444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040682/publication.txt
observed 0b3b348c07c59a1981fe0ec6c8dbcb30...
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.