OpenTechnical

OT-2026-000072569

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072569) never changes.

Identity and time

Publication numberOT-2026-000072569 · never reused
Internal UUID01a0ae92-89d8-72de-9023-5e91cb62a4ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072569
StatusPUBLIC

Content hashes

Canonical text021cd29e5298bcc57f1652d007e2057e31d68ad105ea7ade9ccb5023f5b8e3d7
Markdownb6360fe50b2dd1011d58756054a47a4c7f650befc09b75da3d295165d21d9ab5
PDF
Publication pagee8e2b6e1eff31d50f3aea8b20e85891f8675b183db487c3295975daf7a28a8e3
Manifestf19929d44a0d14a381cf4742818714f8fb33eb72e5ddcee451adcdff51455f1b

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
Signature8BS1LxjhVLAxWq3yWsnlJA1YDXuMJJ8m7o3/RZpC1DeZfVmQI7oLUFqsWLuOUvNzKuFRbZm+CdWtxYprya9bCg==
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

2026-09-17T10:22:24.466015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072569
observed e8e2b6e1eff31d50f3aea8b20e85891f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.448122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072569/manifest.json
observed f19929d44a0d14a381cf4742818714f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.429929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072569/publication.md
observed b6360fe50b2dd1011d58756054a47a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.411090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072569/publication.txt
observed 021cd29e5298bcc57f1652d007e2057e...
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.