OpenTechnical

OT-2026-000034017

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000034017) never changes.

Identity and time

Publication numberOT-2026-000034017 · never reused
Internal UUID01a0ae75-df0c-7c70-9417-f5f97032b001 · 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-2026-000034017
StatusPUBLIC

Content hashes

Canonical text32940889bce1a4de2db9bddfb4a82c87642fb08511ab911f7c2aae08ed79a983
Markdowne22108b7982ae541d8f8d58345d9b5b334775ad4b5675c26a2e85ac0e8578b89
PDF
Publication page1439a3fbb3d852929c2d1bcc39ec3178a3c64ddb596edf023fe2893f5de2fa9f
Manifest4706f7d8111f4a448eadd37c59f118c031f9015b40349dc635130f8111549cbb

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
Signaturewejw9odtwi+gCjC1jtuL9OPMjJM6C3ClZlnFSngk4rnljC3sJ5q361NJQlEGTTr+2FlF3JEEW4dQUDouyLf1Dw==
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

2026-09-17T11:30:14.429792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034017
observed 1439a3fbb3d852929c2d1bcc39ec3178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.411878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034017/manifest.json
observed 4706f7d8111f4a448eadd37c59f118c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.390344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034017/publication.md
observed e22108b7982ae541d8f8d58345d9b5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.372495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034017/publication.txt
observed 32940889bce1a4de2db9bddfb4a82c87...
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.