OpenTechnical

OT-2026-000061941

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000061941) never changes.

Identity and time

Publication numberOT-2026-000061941 · never reused
Internal UUID01a0ae8b-b8ad-7878-811a-d8139a2ff735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061941
StatusPUBLIC

Content hashes

Canonical text6a5b98a4169f52161461a44748e4a8f4cd0f6462954c5c45e5dd137772411504
Markdown13df61ccc83c63ff485a80a1a5e4d3f01cae4982d19fc0d5e42ec9f4f2fa7dd8
PDF
Publication page9068921eecdab36108dda9d9c58fc8d940963fe889a0f50f128f5283652046e1
Manifest67c1511f721c2c1524bc3d6cb381be20bc84f7bb591cb7300933e6fbe6501010

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
Signature8m4oIbMXR/BmxRVdygfEWLFbQQE4XNNQCHrHiAfpBYJLXbk3jUET6s84H2AxZoBxN9KoaHK2w8g+hYR61VL5DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:50.206789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061941
observed 9068921eecdab36108dda9d9c58fc8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.181327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061941/manifest.json
observed 67c1511f721c2c1524bc3d6cb381be20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.157166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061941/publication.md
observed 13df61ccc83c63ff485a80a1a5e4d3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.134856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061941/publication.txt
observed 6a5b98a4169f52161461a44748e4a8f4...
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.