OpenTechnical

OT-2026-000102071

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000102071) never changes.

Identity and time

Publication numberOT-2026-000102071 · never reused
Internal UUID01a0aea4-50f2-7d12-b33f-5675e79e4a9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102071
StatusPUBLIC

Content hashes

Canonical textcde5f1b2c88e070312451efd441e2dd065688319ad5ffcf0b474e581ae5eee98
Markdown98cc69585d136d98febd08c8e8adc0aa92be0d82626c0a4d7d6fa14e5ccb3d8c
PDF
Publication page6d5a2283edbe686d42490e671d3134fda620349a84646fb173bb71c09a66fd38
Manifestf50bddff47c8db80dcdb01b5216327d3580640272aaded043c530ad725bf63f7

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
SignaturekTwe2FFdGZfwkhruKlCf77cznCmsJ6xSp5cHs636SdTIlfl8ZW5CuPxQ66+U9SZ9jrw+xjYmQkquPzEqwi9NCA==
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

2026-09-17T09:25:12.958481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102071
observed 6d5a2283edbe686d42490e671d3134fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.941386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102071/manifest.json
observed f50bddff47c8db80dcdb01b5216327d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.921854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102071/publication.md
observed 98cc69585d136d98febd08c8e8adc0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.904917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102071/publication.txt
observed cde5f1b2c88e070312451efd441e2dd0...
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.