OpenTechnical

OT-2026-000047573

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000047573) never changes.

Identity and time

Publication numberOT-2026-000047573 · never reused
Internal UUID01a0ae7f-3e59-7cd9-805c-9702eff865b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047573
StatusPUBLIC

Content hashes

Canonical text34dd4a8a8c9f176291b491b5b745faf30b64caf50214ca9b3b2b76cafaeb95f4
Markdownd3a6a72cd2705d4766d873b3f930b21d46a5deade65c8dfdfb9d1577f1c68e70
PDF
Publication pagebc096989ee9bc10f1bc8eeee4074bcf0e542b1c890d4e55b1ac0a70a19bc74ed
Manifest690ceeeb19d65f2ea8996af287138d4b5deff03546c014750630c525bbc07b2e

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
SignaturefaOV4/5UOOlmxBlE+U7uR9r+g6RUqnVvepZsWPhuNz1RvPz/uZR4yPR4X9EV3uZxWfEckfUuki/DkyMWXufEDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:41.954946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047573
observed bc096989ee9bc10f1bc8eeee4074bcf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.938488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047573/manifest.json
observed 690ceeeb19d65f2ea8996af287138d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.919064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047573/publication.md
observed d3a6a72cd2705d4766d873b3f930b21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.901831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047573/publication.txt
observed 34dd4a8a8c9f176291b491b5b745faf3...
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.