OpenTechnical

OT-2026-000062894

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000062894) never changes.

Identity and time

Publication numberOT-2026-000062894 · never reused
Internal UUID01a0ae8c-94a8-775f-9316-954dafc26566 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062894
StatusPUBLIC

Content hashes

Canonical text9c53b0e11bcb15b7d510fd0450437613b6f5a95b70351c827e0b4fd182a90f53
Markdown1325429583270e8296c0573b3e327acd91b4a0cbdbcbbd6a1832384bd2bf72d0
PDF
Publication page4436f80a3c9719991e098c044219cfbeea8d8fc785eadf368bb64f54b43fe6f9
Manifest0755e88ce61cb9fe2962ca3ad01cc070bb2110b257b4f5beef9f9bdc9aef051e

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
SignatureHVZjo/mcJiwdEUxiTenhXqwX9X1lqamVh+GPGjTuHkg3FrnWP43IVPLAG8ZaLvHSAOeJSM6vNdzwVy9Q6JRfCQ==
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

2026-09-17T10:40:15.702667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894
observed 4436f80a3c9719991e098c044219cfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.682565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894/manifest.json
observed 0755e88ce61cb9fe2962ca3ad01cc070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.663391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894/publication.md
observed 1325429583270e8296c0573b3e327acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.643486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894/publication.txt
observed 9c53b0e11bcb15b7d510fd0450437613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.080759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894
observed 4436f80a3c9719991e098c044219cfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.063572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894/manifest.json
observed 0755e88ce61cb9fe2962ca3ad01cc070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.045317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894/publication.md
observed 1325429583270e8296c0573b3e327acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.028586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062894/publication.txt
observed 9c53b0e11bcb15b7d510fd0450437613...
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.