OpenTechnical

OT-2026-000074687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074687) never changes.

Identity and time

Publication numberOT-2026-000074687 · never reused
Internal UUID01a0ae93-ac2b-794e-bd4c-420965976612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074687
StatusPUBLIC

Content hashes

Canonical text0468dd02cee770fa95c016c740f2e232840cb607fd7b793e16ae671c2a227b5b
Markdownecd9890378a12e0a6bc56cff3396debc9335505d69eb4dfb7936ee6a637da793
PDF
Publication pagef6e86243c41316336ab3e11a4d29253e8b526ce5ffe1c78d2a96ff37aedaa2da
Manifest04b1c191b147b0c852d8be4772eb43266eaa5527382e362b99384275d69f9097

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
Signaturej1yIilKsWwzuySpYi+3I3Wzw4oQMiF9QNrXEvMcmSOFVCAepecHrOReNJJhNyCXZwFpYAhAtsZT/D1V7sitTCw==
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

2026-09-17T10:18:16.459653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074687
observed f6e86243c41316336ab3e11a4d29253e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.441933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074687/manifest.json
observed 04b1c191b147b0c852d8be4772eb4326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.424987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074687/publication.md
observed ecd9890378a12e0a6bc56cff3396debc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.406957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074687/publication.txt
observed 0468dd02cee770fa95c016c740f2e232...
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.