OpenTechnical

OT-2026-000101689

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000101689) never changes.

Identity and time

Publication numberOT-2026-000101689 · never reused
Internal UUID01a0aea4-0e16-7328-bedf-20cccd7053f3 · 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-2026-000101689
StatusPUBLIC

Content hashes

Canonical text36958cae1284b4134b5901547b7673ccdace4e0b0d46b7a18713b9843c03af7c
Markdownb33f1f081d87fbc9555e110eb55eec3d1ddd3bc98d266bf100f6235744cf4a58
PDF
Publication page4c25973f71164425f003e6cbbf2ec8e35f9436af0bf881b43f0304327ee278a1
Manifestdc0a919c2cc56d28db71cf65f374881305d458e851ae0b093ca96f3e65527ad2

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
Signature7XUcjXgucBUhu4VTSlRjJ0pcNF1MWoGrdw2VCpIHdqFgXXiEtewDJriikTrKr3kfRmddQE7NjvmXsp6QP97yAQ==
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

2026-09-17T09:25:40.595045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101689
observed 4c25973f71164425f003e6cbbf2ec8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.577840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101689/manifest.json
observed dc0a919c2cc56d28db71cf65f3748813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.560215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101689/publication.md
observed b33f1f081d87fbc9555e110eb55eec3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.541994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101689/publication.txt
observed 36958cae1284b4134b5901547b7673cc...
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.