OpenTechnical

OT-2026-000009402

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, vented before 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-2026-000009402) never changes.

Identity and time

Publication numberOT-2026-000009402 · never reused
Internal UUID01a0ae6b-7561-7324-a5aa-02aedbae5d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009402
StatusPUBLIC

Content hashes

Canonical textcfea0ed5574ed4a572dcc038618ca1b33ed3cf78fa2effae01a0358f5bd53b12
Markdown2025cc1f2b8eb7691eb80ecd522cc38bd7619103ed5328b1ed09609b03be2606
PDF
Publication pageb268ba338df09645de27f71a8f4c887fe776f46fd05ec5e77e8db49f341271db
Manifestcb46b56ebb50ee08c27fd86187e9a8c414b6adc7f13dd7846184cfaf810369d5

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
SignaturesZ2IbAg6AOmKSEFz8nQYG2rvn9kHCrHQ4BGezIn9OV8NL1mxZKNQlEX3YG1TBVG/gzcW5Y/iPKY7X6DkvKWYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:40.888968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009402
observed b268ba338df09645de27f71a8f4c887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.870599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009402/manifest.json
observed cb46b56ebb50ee08c27fd86187e9a8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.851717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009402/publication.md
observed 2025cc1f2b8eb7691eb80ecd522cc38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.832727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009402/publication.txt
observed cfea0ed5574ed4a572dcc038618ca1b3...
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.