OpenTechnical

OT-2026-000045659

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000045659) never changes.

Identity and time

Publication numberOT-2026-000045659 · never reused
Internal UUID01a0ae7d-8f03-747f-95e5-617f9feb6565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045659
StatusPUBLIC

Content hashes

Canonical text6b0de55e7626c0b292c00b4f4a41656f7d48f16c38a908c3f40cc1f081cef4a7
Markdowna02c5765ad5be7972ede0cdc6730cb3eb6dd7039221bc30d73b4d2413fff6442
PDF
Publication pagef7198afc638bcd8ec454439d73e3eb0a1dfb0c7591e513408ed85421244eab0c
Manifest39fe15a5b9d988308c934e750839e60e458d6f6b4abc44c0008832266088581d

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
SignatureRlKwUI5KkxnTwG5nmEGEcGBqTIsoE4fqxlt2FJqmUW15LwADY1UZjTdKr2DcH8Gvd6Je8uLjyUG2vjvhD1DJDA==
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

2026-09-17T11:09:27.158609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045659
observed f7198afc638bcd8ec454439d73e3eb0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.137881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045659/manifest.json
observed 39fe15a5b9d988308c934e750839e60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.117419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045659/publication.md
observed a02c5765ad5be7972ede0cdc6730cb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.097925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045659/publication.txt
observed 6b0de55e7626c0b292c00b4f4a41656f...
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.