OpenTechnical

OT-2026-000045204

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-2026-000045204) never changes.

Identity and time

Publication numberOT-2026-000045204 · never reused
Internal UUID01a0ae7c-f769-74bf-85dc-b0645aaef28b · 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-2026-000045204
StatusPUBLIC

Content hashes

Canonical textd1c3f70bc722f8905e81f8e63217d305b1329c5ff0625731a3b522dc0b9b6411
Markdown80656857a30d32746017ad518328855c21bb45850c54cf9a96d1e65e6ac89b9f
PDF
Publication pageb2e35f672c02b7050aa1e3b1bb3730f45f6838c88bc5c4d315bcbec2804f6ff0
Manifest6349108d7b068878a03021712a1b4ead77b1bb1b55db88d34d066c768dc86dac

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
SignatureThVmUkU4A9V7f2MjN/OeDGDEp+Zs5zCyPWGgMrmkBRd/OsilJwULMGHqx2fB93lprdpKW7Ss4ersehLsrUVVCA==
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

2026-09-17T11:10:23.211638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045204
observed b2e35f672c02b7050aa1e3b1bb3730f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.191975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045204/manifest.json
observed 6349108d7b068878a03021712a1b4ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.174485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045204/publication.md
observed 80656857a30d32746017ad518328855c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.154703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045204/publication.txt
observed d1c3f70bc722f8905e81f8e63217d305...
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.