OpenTechnical

OT-2026-000092489

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000092489) never changes.

Identity and time

Publication numberOT-2026-000092489 · never reused
Internal UUID01a0ae9d-b5fd-7789-8010-920c8d672d7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092489
StatusPUBLIC

Content hashes

Canonical text7032eda51f6f5658eca5c67aa014ac9091cf388d3683827f1c8b5c7663bce179
Markdown61afce9173fab685539f2bfc23c6c334f0d668f902a1a90cbaebfa918f23860f
PDF
Publication page6c6580a9c7349ce4fefd0bdb15954ca287a40b6b204ba9c6d115b9bd65150e15
Manifest1ae7d91a42cd420aaea45113e1da286497718a0c8bb9e91dfc3b68d2c9be9cc3

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
SignatureaWOjcX4f1iz9e3cjGYhgu4KedRM99Fo/tLoZDny0UlMauBPvxIQaHM5ACjtXbh2fSV7rWyZDrNy3usePmttZBA==
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

2026-09-17T09:41:03.539430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092489
observed 6c6580a9c7349ce4fefd0bdb15954ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:03.521757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092489/manifest.json
observed 1ae7d91a42cd420aaea45113e1da2864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:03.502155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092489/publication.md
observed 61afce9173fab685539f2bfc23c6c334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:03.482938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092489/publication.txt
observed 7032eda51f6f5658eca5c67aa014ac90...
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.