OpenTechnical

OT-2026-000009290

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000009290) never changes.

Identity and time

Publication numberOT-2026-000009290 · never reused
Internal UUID01a0ae6b-31ba-7a9f-b5a9-e652cc7dc82c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009290
StatusPUBLIC

Content hashes

Canonical text2ddc63da478fe10a2d9b5649abfa1cbecb2c88bf74cf1bb91999be04ee9467e1
Markdownc5982764a9537b6f90869d7f098d3aa0c62ff5c115bf87d95216ccdf7a5c8313
PDF
Publication page62bf5a24e04272eef8c9e96becda202aab5ef8110ec755f19e8f87816f8a9733
Manifesteb87c28e2c8e5e944335ef5866267c4c2c4e805b5a9315c714c290d1c4a413fb

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
Signatureu6apx161nu6deo/79TiLf8bHBiDQ9fOv4liOmIaXCxnC245eLYXJNH71EgCwxA1vGq6ETlaJrgOzxs9Bl4X1Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:03.568409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009290
observed 62bf5a24e04272eef8c9e96becda202a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.548694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009290/manifest.json
observed eb87c28e2c8e5e944335ef5866267c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.530484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009290/publication.md
observed c5982764a9537b6f90869d7f098d3aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.509908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009290/publication.txt
observed 2ddc63da478fe10a2d9b5649abfa1cbe...
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.