OpenTechnical

OT-2026-000069519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069519) never changes.

Identity and time

Publication numberOT-2026-000069519 · never reused
Internal UUID01a0ae90-b52b-764d-b971-b20c4a161ca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069519
StatusPUBLIC

Content hashes

Canonical textbe9f440f937f63b7b789acfba253f6e6318c4587098bd078be694cd16aac169c
Markdown1ea1e702c44dce5fca9d2ea8fe7b62ae8cbf46dc01ba345bebcfc15b598d1cb7
PDF
Publication pagefd3d4334ef2fd6f4a7a8a5bd1239fabdb7377afcf186df9498be6e2950ca3f9e
Manifestf6f054b281936a563f5fdae31b17ab5896e097a2654d68d5fe0205bd2f2d31c1

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
SignatureDCLg4oSUFJVmTW9tNeS8WmfEDaRPkqjl85/M87niSV1nhAFy4toSYrtsGuKEqXQDL1EXHWQM9PvvNSDUBa0lAA==
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

2026-09-17T10:30:36.647395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519
observed fd3d4334ef2fd6f4a7a8a5bd1239fabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.629352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519/manifest.json
observed f6f054b281936a563f5fdae31b17ab58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.610262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519/publication.md
observed 1ea1e702c44dce5fca9d2ea8fe7b62ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.592751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519/publication.txt
observed be9f440f937f63b7b789acfba253f6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.733702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519
observed fd3d4334ef2fd6f4a7a8a5bd1239fabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.714209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519/manifest.json
observed f6f054b281936a563f5fdae31b17ab58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.693650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519/publication.md
observed 1ea1e702c44dce5fca9d2ea8fe7b62ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.675924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069519/publication.txt
observed be9f440f937f63b7b789acfba253f6e6...
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.