OpenTechnical

OT-2026-000042670

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000042670) never changes.

Identity and time

Publication numberOT-2026-000042670 · never reused
Internal UUID01a0ae7a-c0cf-7b78-934b-5d77a8566817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042670
StatusPUBLIC

Content hashes

Canonical text66af34ef5cf1130d6812d003a0215102904ccfbec40312cb0169db751efe2993
Markdown382e9295e5dfab3611470628c3139ad2dc873613f040c7c2a03ac26775e3fd84
PDF
Publication page66e45559251282a3546ef53be078edecf5114253718f58e19abdec80efa37bd1
Manifestf2bb1d0eeadeb89bc978752bf5b8da461211f6c6705eb14fe92f7713d15097c1

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
Signature0w/TfgeYdmhwn2gnV3dw86/IWTrCmkP6TT7SbtEeAGWyGwhmjQ/SW9+Q1s9ByOBkaUbg2o3FOrdI5nKBTuPICQ==
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

2026-09-17T11:15:01.098901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042670
observed 66e45559251282a3546ef53be078edec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.079169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042670/manifest.json
observed f2bb1d0eeadeb89bc978752bf5b8da46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.056683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042670/publication.md
observed 382e9295e5dfab3611470628c3139ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.036722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042670/publication.txt
observed 66af34ef5cf1130d6812d003a0215102...
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.