OpenTechnical

OT-2026-000040110

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000040110) never changes.

Identity and time

Publication numberOT-2026-000040110 · never reused
Internal UUID01a0ae79-26fd-76bc-85ac-359478f9b50f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040110
StatusPUBLIC

Content hashes

Canonical text41edb5b41f6a5d3395b2c48da15c4eaccb2b840fca3bbf618f5ce08424f31738
Markdown98fbba1897b43319a86fa241f59ec636ef4b90f87af38426c3a8f7abde0cb7cc
PDF
Publication pageacfddc9c4b80fca89c06430fe54102cc8ac027ab28fb662232f29b4881d91bd7
Manifest179632756308c5347bf6c4565fb8cbb4e89b8dad76a1916d04b4bfbc64e33642

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
SignatureykLPquUDo7fXr584YEBKpN5XpBJ7aaqmTVnvRt3AvGeIF6yBm0BPLIR/3iBCww3I7JAyLCubADXy+NTyXi9kDw==
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

2026-09-17T11:18:58.469925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040110
observed acfddc9c4b80fca89c06430fe54102cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.452948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040110/manifest.json
observed 179632756308c5347bf6c4565fb8cbb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.436587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040110/publication.md
observed 98fbba1897b43319a86fa241f59ec636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.418772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040110/publication.txt
observed 41edb5b41f6a5d3395b2c48da15c4eac...
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.