OpenTechnical

OT-2026-000011019

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000011019) never changes.

Identity and time

Publication numberOT-2026-000011019 · never reused
Internal UUID01a0ae6c-540e-762f-b3db-bf22cf795051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011019
StatusPUBLIC

Content hashes

Canonical text36e353d79887d33932143237cfbaaf3f9160d42f10f908b10010f9b60b50b167
Markdowne04b30a4cc41bcd3f134f90045cf5c510307efbf1d97423d26397e03a727dcc7
PDF
Publication pagecf570b63eeb291f93a7339b4e6aef1e097956ed71cfdddb40f806c5479bcdd79
Manifestdc772fce94bf5c2a5c7b719de26daea6ebcabb367c8046932063fc08e9e0c349

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
SignatureVdSnnWnbrf4PP07buZSdOvqTHHWEl/sUJ0ld5xqdPOLVwXRxg5cBOpqDw7a2Ubi3JoYjLjKwc0V6MhIjNtpjCw==
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

2026-09-17T12:13:50.437679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011019
observed cf570b63eeb291f93a7339b4e6aef1e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:50.417942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011019/manifest.json
observed dc772fce94bf5c2a5c7b719de26daea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:50.397576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011019/publication.md
observed e04b30a4cc41bcd3f134f90045cf5c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:50.378944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011019/publication.txt
observed 36e353d79887d33932143237cfbaaf3f...
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.