OpenTechnical

OT-2026-000102003

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000102003) never changes.

Identity and time

Publication numberOT-2026-000102003 · never reused
Internal UUID01a0aea4-50f1-7897-a41d-2f3e8f921afe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102003
StatusPUBLIC

Content hashes

Canonical textfbdf2cf1b64faa66fc63178f958562cac07692ec0189848b32e3938670f19db5
Markdown0868ea66eb2dc73176f9fc363ccb15bd46ca6217d86aba69b93c2b5635f1f380
PDF
Publication page4fd1abd2fc315f476d3690cff00e8d90b8400d81178d4f0bcf821f862d1cd33d
Manifest66ff3fadbd9b67560b98cef8bebaed1a5b9790377ee3a0455aa54a87a52e71ba

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
SignatureIjJSLxUL6xf27WF9yWsSwQkzXfsD/fkXxpgYRyWA94n2/CyCXh5rM9aS0JlPB2wLEDnB6hfWX30jLVTE2OVbBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:07.833693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102003
observed 4fd1abd2fc315f476d3690cff00e8d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.813679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102003/manifest.json
observed 66ff3fadbd9b67560b98cef8bebaed1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.793574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102003/publication.md
observed 0868ea66eb2dc73176f9fc363ccb15bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.774710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102003/publication.txt
observed fbdf2cf1b64faa66fc63178f958562ca...
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.