OpenTechnical

OT-2026-000102002

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-2026-000102002) never changes.

Identity and time

Publication numberOT-2026-000102002 · never reused
Internal UUID01a0aea4-50f1-7fd8-8b2e-8497861ef1bb · 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-2026-000102002
StatusPUBLIC

Content hashes

Canonical textf6faa680705de745beee5c606eed3f28530c5f09d0720ecc39516a7d64aaebaa
Markdown94692d49a77251af0594ebfa8879c3df89f915dc6a79368f10beab237b2275a3
PDF
Publication page3a293e854516eb81045d961fa19374d0193992b3f30ba215f6cec696b0d079ee
Manifest5aa73c2ff1ff65b17722e3d03a218bdb32ae2c25f1a42e113318b53bec1c5709

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
SignatureF4+VXaPzmCjvnt4eoYV58uawtZPTb6xu7BcK6E8nT8zgaq9rxcnvh59X0FSL+IW29IftV6EvC5MwJnqwv8YaDg==
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

2026-09-17T09:25:07.752007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102002
observed 3a293e854516eb81045d961fa19374d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.732951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102002/manifest.json
observed 5aa73c2ff1ff65b17722e3d03a218bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.714011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102002/publication.md
observed 94692d49a77251af0594ebfa8879c3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.695047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102002/publication.txt
observed f6faa680705de745beee5c606eed3f28...
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.