OpenTechnical

OT-2026-000045132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000045132) never changes.

Identity and time

Publication numberOT-2026-000045132 · never reused
Internal UUID01a0ae7c-f768-7af2-bcfd-214e74a44176 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045132
StatusPUBLIC

Content hashes

Canonical text607101708e26a8ecd7847d8dd11a6daca2591fbf9fc4ae4133779344a467242d
Markdown2ca24c53e76f7b500326564e783b34e15d0792c9600d3b6fd8d15699d7423d9b
PDF
Publication page81417c6f20cce993d3fabbc27e40403b7332d5fddad7fccb6b0feecfe90c4fc1
Manifestea40f083977f6bfeea911c7b9e09b8b0c5eaa5e8f8f5c6a8b853b6e14730a141

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
SignaturepuAa1nY243OUhNUxULOnp0XYEhNC7prsAP4iojhHyHxx0pJXkbPck3n7CBQ1wsWNMuTM27LFGWLnPRqqpl6kAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:16.895697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045132
observed 81417c6f20cce993d3fabbc27e40403b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.877613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045132/manifest.json
observed ea40f083977f6bfeea911c7b9e09b8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.861569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045132/publication.md
observed 2ca24c53e76f7b500326564e783b34e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.840011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045132/publication.txt
observed 607101708e26a8ecd7847d8dd11a6dac...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent