OpenTechnical

OT-2026-000076942

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000076942) never changes.

Identity and time

Publication numberOT-2026-000076942 · never reused
Internal UUID01a0ae94-b071-7da5-a1c4-13e98c83b759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076942
StatusPUBLIC

Content hashes

Canonical textf2c1481758bd01c13c7d3307f4353f4330e070cb9696cbe517fa447a6f0c0727
Markdownc6a5bac856ffa9e3715a061e4f3f023e2b4a1e79b36f6403ae962a9380a8fdea
PDF
Publication page8e718169d2ea6311f7e4de6e9672fa16dcd975419ed875677dd702f4d9ae17d1
Manifest55f2e8db7175324d6a33e0038c09f35bc48941ff448f8a37a4d4566c23ab9878

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
SignatureEn1ssOFIYDr1+cuef3WHXK/3DP/T3cWwjC4igUEldkF1fj65Pt4yK34HGLlmQbC5RQ7Etpb5tZIeTzsyn+3IBw==
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

2026-09-17T10:09:56.273209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076942
observed 8e718169d2ea6311f7e4de6e9672fa16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:56.253707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076942/manifest.json
observed 55f2e8db7175324d6a33e0038c09f35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:56.234950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076942/publication.md
observed c6a5bac856ffa9e3715a061e4f3f023e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:56.215725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076942/publication.txt
observed f2c1481758bd01c13c7d3307f4353f43...
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.