OpenTechnical

OT-2026-000070975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000070975) never changes.

Identity and time

Publication numberOT-2026-000070975 · never reused
Internal UUID01a0ae91-8c2e-7716-953c-368d479e630f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070975
StatusPUBLIC

Content hashes

Canonical textc35f4a604792ae8726fc8c328b9690fdf1028ab9de0e22efd306e1dc877c2528
Markdownb5aa00090f2173cde5b201b67b04b40d139cfc9e6c8fd2a64294cec551b93694
PDF
Publication page1f1deae2dab43fea93f744514054fb7947220c537cbe2006ad7f28a71dd230f5
Manifestec257d4744af4da1dd46595917fbd18763b0934a7392b3a0941f0a619bbe0847

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
SignatureuQGgKXXtHNS64qgd40vpiuyoERJ8P1hd8yG+SbMzKFE//3Mc4ljQadi5apdgK96vXhDTjHz8RlM9MIzYTqwHAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:48.973187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070975
observed 1f1deae2dab43fea93f744514054fb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.954894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070975/manifest.json
observed ec257d4744af4da1dd46595917fbd187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.936042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070975/publication.md
observed b5aa00090f2173cde5b201b67b04b40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.917278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070975/publication.txt
observed c35f4a604792ae8726fc8c328b9690fd...
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.