OpenTechnical

OT-2026-000075262

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075262) never changes.

Identity and time

Publication numberOT-2026-000075262 · never reused
Internal UUID01a0ae93-f200-7d62-b6ab-961819ca4b8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075262
StatusPUBLIC

Content hashes

Canonical text182e847aac531a558a9867bcb39187ec3ccc3362e00cbe3a81142290cb149881
Markdownc0c675833748f307b32ddba27aa6b379147cabbcc48744a9fd7f3ce534a2da5c
PDF
Publication pagef6e0253e0450d881e772bd03c495e822e7a7818d0235f4bb4e5cfc44d4ccf20e
Manifest9c1bf3cb829c2704b454445226012d87bf0c3204c792b2142b7e00fd09f53979

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
Signature/bIYA916GuOZOFlzoVWEtHKYO1AcPaqhvGE8rnfXQjD8v4agdPwimePJiHMsU/0Bfp99H+gXtnXIohs1IFulAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:34.507860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262
observed f6e0253e0450d881e772bd03c495e822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:34.270162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262/manifest.json
observed 9c1bf3cb829c2704b454445226012d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:34.251906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262/publication.md
observed c0c675833748f307b32ddba27aa6b379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:34.234404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262/publication.txt
observed 182e847aac531a558a9867bcb39187ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.251992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262
observed f6e0253e0450d881e772bd03c495e822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.233653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262/manifest.json
observed 9c1bf3cb829c2704b454445226012d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.215797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262/publication.md
observed c0c675833748f307b32ddba27aa6b379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.197120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075262/publication.txt
observed 182e847aac531a558a9867bcb39187ec...
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.