OpenTechnical

OT-2026-000078526

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000078526) never changes.

Identity and time

Publication numberOT-2026-000078526 · never reused
Internal UUID01a0ae95-7c29-7e2e-81e2-e2762c4d73d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078526
StatusPUBLIC

Content hashes

Canonical text58db61bb34bdde72bc481f87a51d2417309e5cf111acde432a466a82c26187c2
Markdown0307110d20f25a8473e473f6d9cc2d5796836e08a76a16743d50803c7d571958
PDF
Publication page7719f331cbddce602c1ee71b3278231b898cce8f311019650146b64530096bea
Manifesta66fc7bf96a74de25c94033f9f4d8500203ecb3da1da6d5a3e6daf563779bd99

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
SignatureZovTS1Oq041rzxjX2G4db6GTEftykjNdgtag+xKcrNvd9ESCkC8Fpv4TLkJQR0mwHBC8orKsdRaGa5rPZJnHAw==
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

2026-09-17T10:06:32.708136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078526
observed 7719f331cbddce602c1ee71b3278231b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.675802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078526/manifest.json
observed a66fc7bf96a74de25c94033f9f4d8500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.658695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078526/publication.md
observed 0307110d20f25a8473e473f6d9cc2d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.627910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078526/publication.txt
observed 58db61bb34bdde72bc481f87a51d2417...
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.