OpenTechnical

OT-2026-000053845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000053845) never changes.

Identity and time

Publication numberOT-2026-000053845 · never reused
Internal UUID01a0ae85-735d-770d-a186-7f537ef384ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053845
StatusPUBLIC

Content hashes

Canonical text45564546f7f209e7342353f0f2460f06b52323f842871c867f37f99df4482942
Markdowna8a57ffcafc7bd2adc310930589db87950538bae4764f7a84ec05f16e19e0286
PDF
Publication page3258c95afd1e6cd5e3dddb217e155c60deb14563bcc14107586257b81087d36d
Manifest90e08b9b72bc07db6a572231a8322db54895e8f39096e6aebee4888ce4bb16fc

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
SignatureTD9MZhnt2E3I1m2MF/PgOwVlkg/EEqgi5qOGsPllDkBA/yBTYknjg+TusvG3A8gKfprxrqrTfLz+jRid1ZQRBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:35.852591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053845
observed 3258c95afd1e6cd5e3dddb217e155c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.833895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053845/manifest.json
observed 90e08b9b72bc07db6a572231a8322db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.814270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053845/publication.md
observed a8a57ffcafc7bd2adc310930589db879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.796059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053845/publication.txt
observed 45564546f7f209e7342353f0f2460f06...
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.