OpenTechnical

OT-2026-000030070

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000030070) never changes.

Identity and time

Publication numberOT-2026-000030070 · never reused
Internal UUID01a0ae73-ac4a-7a65-8cfc-40e652034ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030070
StatusPUBLIC

Content hashes

Canonical text2076abb8614f5b26303001bd32c7199ee454ac634e7b8395de63c8eddea8f3f3
Markdownd5f194ccc5ea6f767600b1a5e2697a5e04a82a4927ca3111e57030acae2dec93
PDF
Publication page49f159f6a84386986a67f4c5e586d508e15fa3f15cc1e5ead51f57058dd6ac55
Manifest33a7f797b9c5b260adcb55e76aa1b0375e17fa1fb69257c02442546e114350c1

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
Signatureqyo65qoTYQ2BuTTGQdX1tSMm/CFU83W6+3AQ2B1Cga5UXKeSX0K4Vrvjyk7CewzTuBIGbndygmiNVh80zpB8Cw==
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

2026-09-17T11:38:48.825607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030070
observed 49f159f6a84386986a67f4c5e586d508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.808518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030070/manifest.json
observed 33a7f797b9c5b260adcb55e76aa1b037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.792496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030070/publication.md
observed d5f194ccc5ea6f767600b1a5e2697a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.777290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030070/publication.txt
observed 2076abb8614f5b26303001bd32c7199e...
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.