OpenTechnical

OT-2026-000090796

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090796) never changes.

Identity and time

Publication numberOT-2026-000090796 · never reused
Internal UUID01a0ae9c-7f32-72fa-b12b-2dc988368a5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090796
StatusPUBLIC

Content hashes

Canonical texte05ab443a4fe03839eeb7a76db74b21e88d9ab37b35411c9b064553effe8358a
Markdown4f279b57172329a2d3b47688cfc3707a98dd0d56ea083296e67a173dbda97c9c
PDF
Publication page11712b7a91b9ab5e31efa4e344493ca339672228a8b5eb26e96cec505ab231b2
Manifest7102a36c4db505038a71e58f044e337615af2ad8a9ec63b22dd103f1df583027

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
Signaturel8sog28NDJf2Gjd9pmoncB6ylYYQjkCyJcTz9fYN3pnTLsxaS13TkWEdgcW7ztXLj28/gA6dtvVFlTO3ngYACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:00.198672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090796
observed 11712b7a91b9ab5e31efa4e344493ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.181805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090796/manifest.json
observed 7102a36c4db505038a71e58f044e3376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.165186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090796/publication.md
observed 4f279b57172329a2d3b47688cfc3707a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.147316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090796/publication.txt
observed e05ab443a4fe03839eeb7a76db74b21e...
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.