OpenTechnical

OT-2026-000080530

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000080530) never changes.

Identity and time

Publication numberOT-2026-000080530 · never reused
Internal UUID01a0ae96-7e78-77bf-8243-92f8e7cd3332 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080530
StatusPUBLIC

Content hashes

Canonical text4a836e55555ae08bed1f2db414978e9d2d1ad52b386ecd2ca11d54883da6207b
Markdownf811498c392caa8ea4be3e4e42dc0e4a2b4501979c3056f9ce6e7ed4c261f983
PDF
Publication page486b46b3ed50c9dcb5c96ddf768dbc7bc0ad5019f051adb242c12a64bc197928
Manifesta247978f5569c7af21c0e38328abaf35b495dc5c12c4e523e73194340bf9e697

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
SignatureHLF4EXDJEQXRqgW1+YkzfNeBr18d93IN2fuB5VTMYfQ6F1h/tORnuopqBmS3XkEg4CD2+pn+i3nFlJXfc5LFCw==
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

2026-09-17T10:03:03.175049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080530
observed 486b46b3ed50c9dcb5c96ddf768dbc7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.157091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080530/manifest.json
observed a247978f5569c7af21c0e38328abaf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.138110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080530/publication.md
observed f811498c392caa8ea4be3e4e42dc0e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.120113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080530/publication.txt
observed 4a836e55555ae08bed1f2db414978e9d...
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.