OpenTechnical

OT-2026-000098877

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098877) never changes.

Identity and time

Publication numberOT-2026-000098877 · never reused
Internal UUID01a0aea2-8286-7480-8638-f0fc97d1a32b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098877
StatusPUBLIC

Content hashes

Canonical text9823fac2987b3a8a29f4f4392d0b85043952115b36ae0fa2022b20f6c4c697f8
Markdown16b50750455c30605f422a1fe60697dffa8a5ffa544275ed705d2bab6b8d2b5b
PDF
Publication pageb1a2b4bb0f12e31bea370dbc64393a86f4456f60579be050974745c381f0f686
Manifest1c69ffe30106c478f3a045af22e1592d7e329ecce9c98f2ecebb1f234c83cb01

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
SignatureMqMDHBJ310bK3MW/OP+Cr83EgKTPwA5Zw0l5XoBkeV4NQYjEDIFn73cX2XNbsvOvk1Y1PluNMSLd2xx1XKhMBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:55.577314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098877
observed b1a2b4bb0f12e31bea370dbc64393a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.559788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098877/manifest.json
observed 1c69ffe30106c478f3a045af22e1592d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.543675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098877/publication.md
observed 16b50750455c30605f422a1fe60697df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.525718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098877/publication.txt
observed 9823fac2987b3a8a29f4f4392d0b8504...
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.