OpenTechnical

OT-2026-000081624

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000081624) never changes.

Identity and time

Publication numberOT-2026-000081624 · never reused
Internal UUID01a0ae97-0f72-7868-9d1e-0d141c69ef46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081624
StatusPUBLIC

Content hashes

Canonical text10d0d8575e947c6436e192bea45b7bb8a6d80ee9c083eeb9cb553b3c25100303
Markdown169147d3576935f2ffdf8dfbaf9cbfa2f86aed9f4cc6e8d04391a3f71775a753
PDF
Publication pagecc20b0d8f0207b3fb2612acb6fdd9a86643eb249d7a1bcd9625da34ff0d1b298
Manifest3f319291130f7af22f7a06f440219cdb8b86b696ee04b3ef7ad0fddcc8e13af0

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
SignaturelsF2LS7hud1pfRQMm79dHlHB/dZ1Y2HDHF2+RtEh+0E7GJkXYdcQ+t7BqL2Xi9O+V01PmuU9qlkGwNgBN5ajAw==
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

2026-09-17T09:59:40.271352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081624
observed cc20b0d8f0207b3fb2612acb6fdd9a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.253378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081624/manifest.json
observed 3f319291130f7af22f7a06f440219cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.235212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081624/publication.md
observed 169147d3576935f2ffdf8dfbaf9cbfa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.218699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081624/publication.txt
observed 10d0d8575e947c6436e192bea45b7bb8...
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.