OpenTechnical

OT-2026-000058285

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000058285) never changes.

Identity and time

Publication numberOT-2026-000058285 · never reused
Internal UUID01a0ae88-f398-7f5e-b656-3b2d311d4100 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058285
StatusPUBLIC

Content hashes

Canonical text236c626d76beeb89e22ac1a027ea0a2f30e8ec6eba559d98a6d48208eb043851
Markdown81855b450eb61a7b71148f16bb66197f0412ef40335e17cb76ae6bccc867e4c9
PDF
Publication page330b8a64d8693e8871c754c6547412de72ea11f305bfdbccdf82b47d1153bb7e
Manifest6a997abb7e51c2113ae9b5e8a7992e1f1dfbae40c10c0949cc8ca34e980bfbe4

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
Signature0O2a6zBNsQZBP7GeAg6fdSYiZJgjBrIzZIEwkreXrqiiUP1qdxv9m2PvOV/9AG5Vil5oAxyk3lLAp+I3IN49CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:40.618399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058285
observed 330b8a64d8693e8871c754c6547412de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.600592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058285/manifest.json
observed 6a997abb7e51c2113ae9b5e8a7992e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.582435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058285/publication.md
observed 81855b450eb61a7b71148f16bb66197f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.564378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058285/publication.txt
observed 236c626d76beeb89e22ac1a027ea0a2f...
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.