OpenTechnical

OT-2026-000060658

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000060658) never changes.

Identity and time

Publication numberOT-2026-000060658 · never reused
Internal UUID01a0ae8a-b7cd-74be-aca9-c732ca2366c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060658
StatusPUBLIC

Content hashes

Canonical textb5e4fd50db5b2fa6a699e44a0d3f6c92ec4b53d324b73e7f5110d6b1857ab130
Markdown1498b6dd703b1a65cbc16b31ad1eaa14cc174d1c99f207088a099b17a86c2ab4
PDF
Publication pagee632170f18dc070957579594a8717bbe09dadc18818b2e0383061539195d5e90
Manifestedf6a4ac393e11479c69126d45bfc76a65412cb9c0935e92ca735c5b6ef940e5

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
SignatureYShbRXCEFUhay33uePJS0o+csHdcwH/RfHOyHgkBCt7e0UOTOnp7P0QTgrg+6fknko4yNT9MF5iPoPc60AJfBw==
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

2026-09-17T10:43:17.725418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060658
observed e632170f18dc070957579594a8717bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.707772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060658/manifest.json
observed edf6a4ac393e11479c69126d45bfc76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.691625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060658/publication.md
observed 1498b6dd703b1a65cbc16b31ad1eaa14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:17.674192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060658/publication.txt
observed b5e4fd50db5b2fa6a699e44a0d3f6c92...
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.