OpenTechnical

OT-2026-000067486

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000067486) never changes.

Identity and time

Publication numberOT-2026-000067486 · never reused
Internal UUID01a0ae8f-6bd9-7abd-b759-66052204f43d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067486
StatusPUBLIC

Content hashes

Canonical text5ac429c8a18680b2f9237dc2294cc058e977b6e1f757e3d97cecf87be6c57b23
Markdown3e6092f790bd2771011cf2f341b413e5da7abf00b32143d996028f6004c990d9
PDF
Publication page708ad7d893dc44c9e25159079dbb7ba46506a1169150d2d4cfec7923ef41ed8e
Manifest0fb76a8f81f608ef5426912dd592baad55524829aafb395b7a5fd7c41ec37f25

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
SignatureHVotA/CvoZ0BJDudJiE+vRgexQx/1nncep5g681Xnpc3ws9L14tfe3vlmxyp63v3XR+6NlioXcenR5XUlJsdCQ==
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

2026-09-17T10:31:46.548291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067486
observed 708ad7d893dc44c9e25159079dbb7ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:46.529977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067486/manifest.json
observed 0fb76a8f81f608ef5426912dd592baad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:46.505413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067486/publication.md
observed 3e6092f790bd2771011cf2f341b413e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:46.485956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067486/publication.txt
observed 5ac429c8a18680b2f9237dc2294cc058...
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.