OpenTechnical

OT-2026-000013052

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000013052) never changes.

Identity and time

Publication numberOT-2026-000013052 · never reused
Internal UUID01a0ae6d-5564-778d-bfce-bd6c4d99a86c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013052
StatusPUBLIC

Content hashes

Canonical textd18ca369a3ee0d1368b2ad090384a1f1187af0e37b69912d361ea196e305a8d4
Markdown6fc7186b335c80d58c342d688027f5ddfda5cb6f3416b1e2bfc51e083e851643
PDF
Publication page3254fbc3965ed57f3f18a4eb176e168fca9390bdbd8bef23df32b3437f6c556e
Manifest1aafaa42540db74f091602a0ee7661c31a17dc11168a87044f36590a8abb91d4

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
SignaturejGm0KhrmjWYy94SicM2SkQHiC23KnpaKXArI4vwfqTw0dJQHKgzHIhqGOltCLgzCyoNPIvkZC1/wkYhObpeACg==
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

2026-09-17T12:10:53.247688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013052
observed 3254fbc3965ed57f3f18a4eb176e168f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.229617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013052/manifest.json
observed 1aafaa42540db74f091602a0ee7661c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.204337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013052/publication.md
observed 6fc7186b335c80d58c342d688027f5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.179425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013052/publication.txt
observed d18ca369a3ee0d1368b2ad090384a1f1...
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.