OpenTechnical

OT-2026-000025947

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000025947) never changes.

Identity and time

Publication numberOT-2026-000025947 · never reused
Internal UUID01a0ae71-a83f-72bb-91e7-5dffbc9167a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025947
StatusPUBLIC

Content hashes

Canonical textd7f48c3abfd1cd6594f59c7e260e84b28fa94146c6859ec3b3ae422adafc6356
Markdown7e1239dcadc2d74a04908a77e5a7a47261967a4b120e5e400f485f0274c5ca23
PDF
Publication page51696cdab2e91768f5c92f95b0f90e73c10451a492da918dfd1c040bca1c2abe
Manifest22581cd38f80aa261f18083a72f832246b41314d7a1153bcb83aad9a05cede2d

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
Signaturevxiw1rh6xskiDsfSFjvjxdgvsFMiVxiu5zKNbwHJ2ZrX6YM1aAaBYueIgBuOSgyNcHCrp9oI659GLZrcUcYnBQ==
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

2026-09-17T11:46:18.808719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025947
observed 51696cdab2e91768f5c92f95b0f90e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.787439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025947/manifest.json
observed 22581cd38f80aa261f18083a72f83224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.767104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025947/publication.md
observed 7e1239dcadc2d74a04908a77e5a7a472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.749635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025947/publication.txt
observed d7f48c3abfd1cd6594f59c7e260e84b2...
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.