OpenTechnical

OT-2026-000050646

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000050646) never changes.

Identity and time

Publication numberOT-2026-000050646 · never reused
Internal UUID01a0ae82-c7b0-7ace-b784-a61bce1fb440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050646
StatusPUBLIC

Content hashes

Canonical text8a2cc0f328c952cb087333495dde8610bda9093c0442b4ac19d541abcb343ec1
Markdowncd83f583c4a8eb2bef70203e157ec1e65b9a172436fdadeb4807b9d5f31830e7
PDF
Publication pagee07e3bded4300661db65778b57382c26c3e1cc499a08c5ecb8018e0ef32f76a9
Manifest21b330fa0b7c8351157a0ebeff9bf248bd8495ad6726180c851aec24e0cef11f

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
SignatureRxM29tHCrBDUIxG0wn9N0IirwWs1AM05oqYr7X2jg7Uad79rr1N3JBDNVYfr0iGvfpp7af95Eo6+2RORjR4NAg==
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

2026-09-17T10:59:20.551792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050646
observed e07e3bded4300661db65778b57382c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.530522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050646/manifest.json
observed 21b330fa0b7c8351157a0ebeff9bf248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.510067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050646/publication.md
observed cd83f583c4a8eb2bef70203e157ec1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.486551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050646/publication.txt
observed 8a2cc0f328c952cb087333495dde8610...
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.