OpenTechnical

OT-2026-000039020

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000039020) never changes.

Identity and time

Publication numberOT-2026-000039020 · never reused
Internal UUID01a0ae78-9672-7151-b68a-c3ef4fd65f7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039020
StatusPUBLIC

Content hashes

Canonical textb82fc9bb42cc4ba83f7200865ceb26843478e6891961679a57e13588adae0955
Markdowndc15bbef2002c953501db4d003c471224f7a39fad74f3db2de8eaeacf3c273fc
PDF
Publication page8c1f6fb666b1e056e6b87224d611b02ee6f20fa628af75eb54e58e7d2410f525
Manifestd0d13858c0780516a5a69194a8928dc6e2063d5f2550433007ff45d8fe5f8bc8

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
SignatureKK0essAVI71FOLI3ZktCqCNQzh9XvLAKpaRiDRHFJ/SdB5ToRSPZBE200/iDKwZRRjn2FCk0veIuvBgPCERyCg==
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

2026-09-17T11:20:21.916328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039020
observed 8c1f6fb666b1e056e6b87224d611b02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.896825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039020/manifest.json
observed d0d13858c0780516a5a69194a8928dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.878132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039020/publication.md
observed dc15bbef2002c953501db4d003c47122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.857701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039020/publication.txt
observed b82fc9bb42cc4ba83f7200865ceb2684...
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.