OpenTechnical

OT-2026-000080906

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000080906) never changes.

Identity and time

Publication numberOT-2026-000080906 · never reused
Internal UUID01a0ae96-b975-7207-8bc1-cebec069bf8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080906
StatusPUBLIC

Content hashes

Canonical text445a5fc2e2085c09e4b58f7f17d2c2a50b97825581f37560bdf11ae4756be6b3
Markdown58e7aca6413560be49d794d8b36a1ba41062d71da8575fa866f8ebec7815de1d
PDF
Publication pagedfaf7e4c1aba9e464ca21449ffb3c7f6ae937e402a021910cdbb1f00c8ccfd5e
Manifest59d5611af7bf8b98dc3b7eeb37d317e53ef7afb29fdeb3d819668643a4eec121

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
SignatureBKMuyRHVaml5KgOu7SfyV40yBXbAGDvTJdS98NIGWKVVUVdFY4GIdB2eb8jplGqpoI1Npxg+k2b+slFzaVKnBQ==
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

2026-09-17T10:02:06.530269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080906
observed dfaf7e4c1aba9e464ca21449ffb3c7f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.512785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080906/manifest.json
observed 59d5611af7bf8b98dc3b7eeb37d317e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.496616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080906/publication.md
observed 58e7aca6413560be49d794d8b36a1ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.480871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080906/publication.txt
observed 445a5fc2e2085c09e4b58f7f17d2c2a5...
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.