OpenTechnical

OT-2026-000101772

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off 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-2026-000101772) never changes.

Identity and time

Publication numberOT-2026-000101772 · never reused
Internal UUID01a0aea4-0e17-7f5a-8602-d73e986a487a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101772
StatusPUBLIC

Content hashes

Canonical text0ef91c74d96e59452275a03e3d7bd1a24416134dba476d433c1a78a1de106139
Markdown70bec344a1e2d090f5b6d272d3aae509e626b9b3490449ff90ef44242a969c52
PDF
Publication page829c14c41b919df8cc4da505d8be6c695cd7c5165114e89864b276d1d6ff513f
Manifestb7605aed0600e49dc6ae7dfd7edec78038aaf2543f1b43b6d3f166bd26a9950e

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
Signaturec2W2o/ytv/TyExOAjie9MfPqFwGVuW6+2UXzIBznZj9s6wZOp427gKkLdzcNqrNOZvHk+6U5G1H/DhzBXzc8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:15.908758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101772
observed 829c14c41b919df8cc4da505d8be6c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.891239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101772/manifest.json
observed b7605aed0600e49dc6ae7dfd7edec780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.873880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101772/publication.md
observed 70bec344a1e2d090f5b6d272d3aae509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.856679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101772/publication.txt
observed 0ef91c74d96e59452275a03e3d7bd1a2...
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.