OpenTechnical

OT-2026-000038732

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000038732) never changes.

Identity and time

Publication numberOT-2026-000038732 · never reused
Internal UUID01a0ae78-769e-797a-8cf5-574556dfad7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038732
StatusPUBLIC

Content hashes

Canonical text70a048a902d1c806b8d773d9b76c6b6d8f10aed886e14da4e1acee75d49d7f42
Markdown0670a974e31fcc50634d6de542505ce00a504e783a5fb8faab81366efb0ed0aa
PDF
Publication page1d0b4f3782207c3dda0e438b1f190e910fe8caf97e8c556b1a2b8070d2a5422b
Manifest926bfa08d2e0f90ab4ce6b9c8a173dd3cf66d36b400b896a8f8ceb081a0998ab

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
SignatureJHLXOLN8+8gOGbCDlI57thhZ4KNmy0Or2ErJeokYa5B4WLyGdOKVK0O5t6voQVjIOYvAJbIpYk5O76Sfq9cmBQ==
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

2026-09-17T11:21:15.721485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038732
observed 1d0b4f3782207c3dda0e438b1f190e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.703155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038732/manifest.json
observed 926bfa08d2e0f90ab4ce6b9c8a173dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.684950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038732/publication.md
observed 0670a974e31fcc50634d6de542505ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.665511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038732/publication.txt
observed 70a048a902d1c806b8d773d9b76c6b6d...
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.