OpenTechnical

OT-2026-000046555

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046555) never changes.

Identity and time

Publication numberOT-2026-000046555 · never reused
Internal UUID01a0ae7e-57dd-7294-985c-ffe14264bd3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046555
StatusPUBLIC

Content hashes

Canonical text7c2ba9240fc996073b11a8d57b9b0005454dff52da4bf42364d18aa5b0567d7f
Markdownc9e8de2428e4f6f1cef83bdc32576421dc7f7c1c1c2f3031d574154583673676
PDF
Publication pagebe27520618b41d1b400f00f3462210d00457825c4c1e8dacf4b6add5051257ae
Manifestddd7b45a59e0caf01fa00d1ffca8f1cd25e5e15dab3ae5be67578e99d4118dc4

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
Signature20nTLxCjFpaIhTfFEVq+8pY90Qna+KPxyHe7vjaFkI/N2UHNAE7wiFcK3DvKblSmrv2aNhBif8Vpj6RJw/M+Ag==
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

2026-09-17T11:08:36.896852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046555
observed be27520618b41d1b400f00f3462210d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.877658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046555/manifest.json
observed ddd7b45a59e0caf01fa00d1ffca8f1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.858754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046555/publication.md
observed c9e8de2428e4f6f1cef83bdc32576421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.841379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046555/publication.txt
observed 7c2ba9240fc996073b11a8d57b9b0005...
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.