OpenTechnical

OT-2026-000070897

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000070897) never changes.

Identity and time

Publication numberOT-2026-000070897 · never reused
Internal UUID01a0ae91-8c2d-7c01-a14e-e639af2270e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070897
StatusPUBLIC

Content hashes

Canonical text963b8e4e1c70d80aad92b37722afc98bd951999c462b8d2d39595aa270e115d1
Markdown3b6dacc1a699e30002e4b94de4f34ea2986f396b41df91bcd9a71cfc2f424cdc
PDF
Publication pageab457f5be96a7e81e565208c509553c92c197cbceb5f0493adab21837ce9e9ef
Manifest79056c3035ee0b2de54ac10e056176cfaeb94fdd55932de2bdd73928d3152b5f

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
SignatureiK0JDWJFbDsrPSAfjN9h1yWcqXMkYp+PQ8Lo10xprTbqvU8mM39fVJtYfD+UQmG/z0IF+waoS+Kbs8UdVu+SDg==
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

2026-09-17T10:25:43.499836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070897
observed ab457f5be96a7e81e565208c509553c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.484052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070897/manifest.json
observed 79056c3035ee0b2de54ac10e056176cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.468189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070897/publication.md
observed 3b6dacc1a699e30002e4b94de4f34ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.452949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070897/publication.txt
observed 963b8e4e1c70d80aad92b37722afc98b...
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.