OpenTechnical

OT-2026-000013675

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000013675) never changes.

Identity and time

Publication numberOT-2026-000013675 · never reused
Internal UUID01a0ae6d-8de8-7304-911f-6474b88b648d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013675
StatusPUBLIC

Content hashes

Canonical text77748db89456c10ebcc0f46e89506079af99a0db13d7dc8eda38a3a1e4b23a58
Markdownc8ab712b627259269eed5cdb1a9126a488144552266fd243875e723538c18d86
PDF
Publication page84342afbef2c7f7d8c5c68656f1b9ef41181481b607f50e16dae6a0255d055ee
Manifestf3f58906d3becebb8a3507cff821c60a86897247753a1f9b45b2aee1dfea12b9

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
SignatureQfH5GPhr3scpt+yDI5YjtFSzNj5JG8dxfNEsQfEzdnjUg6zNyCdnO4SlkfEQwEP9kTtBzewrzZbS4hWlOe10DA==
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

2026-09-17T12:08:37.296285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013675
observed 84342afbef2c7f7d8c5c68656f1b9ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.276374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013675/manifest.json
observed f3f58906d3becebb8a3507cff821c60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.257405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013675/publication.md
observed c8ab712b627259269eed5cdb1a9126a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.238689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013675/publication.txt
observed 77748db89456c10ebcc0f46e89506079...
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.