OpenTechnical

OT-2026-000078573

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078573) never changes.

Identity and time

Publication numberOT-2026-000078573 · never reused
Internal UUID01a0ae95-7c29-7511-a8ca-2a41fe999a77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078573
StatusPUBLIC

Content hashes

Canonical text859f652d4116c5738dbdf040f7e709df2e832925f9b02ed2a8249cc93693104d
Markdownc6e420e69cf7f881438a9324e8fd10a05fdd353814c3945d9824136ec674ee64
PDF
Publication page3248db979e3eb14fb34ca7adc2c1f7fc6ad8ad0d8fe5f1751d7cf6cd5c7c4159
Manifest5af53ad459e19c714b84e350422345a28bbb4905e4d03df291ebf3f6721f7e40

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
SignatureV4TKF+KYGRxB9UkUrn+hQkJaErvOMCH3SVxTwohr5WGLJu/Q6PW9LPPrtMLVnrF43twGbLf6PxkqXPzhNa1wAw==
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

2026-09-17T10:06:35.906706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078573
observed 3248db979e3eb14fb34ca7adc2c1f7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.887582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078573/manifest.json
observed 5af53ad459e19c714b84e350422345a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.868979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078573/publication.md
observed c6e420e69cf7f881438a9324e8fd10a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.850155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078573/publication.txt
observed 859f652d4116c5738dbdf040f7e709df...
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.