OpenTechnical

OT-2026-000034354

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000034354) never changes.

Identity and time

Publication numberOT-2026-000034354 · never reused
Internal UUID01a0ae75-df0e-74af-9527-79339b88fee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034354
StatusPUBLIC

Content hashes

Canonical text16708f940a00bb0f79c19d886c84b0b29725e49c6be37acefaa6ce31578aadb2
Markdown11b0fb5276a97b5fa87f62e1aebc444538007777a20091b7278790b301ea706c
PDF
Publication pagee3b995f8cd957a56c4518118d816ac7cab8318658ea43f1400e7cc065bc8fbc5
Manifest9937658711ec09904446c838730fd740c1d8b3d795345b72a5e53a6961197e52

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
SignatureHDdgucvv++c1rFsrzR2lMhrf5aoMHanXrS0xCEKHYSIQmWHNSQjPt2IFsfD3zK7pmnUXLkg5UdASyZ6wLQhhDg==
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

2026-09-17T11:31:03.417462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034354
observed e3b995f8cd957a56c4518118d816ac7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.399366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034354/manifest.json
observed 9937658711ec09904446c838730fd740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.380242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034354/publication.md
observed 11b0fb5276a97b5fa87f62e1aebc4445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.361674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034354/publication.txt
observed 16708f940a00bb0f79c19d886c84b0b2...
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.