OpenTechnical

OT-2026-000042103

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000042103) never changes.

Identity and time

Publication numberOT-2026-000042103 · never reused
Internal UUID01a0ae7a-5d71-795a-9801-b0f70a6d2c64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042103
StatusPUBLIC

Content hashes

Canonical textfc32a7a50771780a1e60bed4749df46a0545347a8e9cd4aec289f64c7915d347
Markdown13646f1b4c59e8df3a0b300764e92f422b1fb5b1fc2ed82db1c490fbd87bd5f0
PDF
Publication page2f8e8a087fd5ae16766f3515e1c1a93758d7cd7dd50690d5bda07b7c23f189b2
Manifest02c10accde0d2aa0e7ae25e3bea25415c7c7563cea4a159b4985627e075e31a1

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
SignatureAKmqRVOjvkZHvKIlamYHxNwj1rcETGOLwQ11399pokJ+3QvUqsNM3o5cdoreiUldnwf0TA+ReYNXMLn5sZU9Bw==
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

2026-09-17T11:15:38.257044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042103
observed 2f8e8a087fd5ae16766f3515e1c1a937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.239791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042103/manifest.json
observed 02c10accde0d2aa0e7ae25e3bea25415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.221592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042103/publication.md
observed 13646f1b4c59e8df3a0b300764e92f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.201965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042103/publication.txt
observed fc32a7a50771780a1e60bed4749df46a...
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.