OpenTechnical

OT-2026-000068481

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000068481) never changes.

Identity and time

Publication numberOT-2026-000068481 · never reused
Internal UUID01a0ae90-2481-7dfd-9984-c2556cbcabe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068481
StatusPUBLIC

Content hashes

Canonical text18322dc183cb6ad392173def898f3bbefc7842b3d5d2d75dba284a6419d5a27f
Markdown3823a39a4c0dedc2b6d55a052311a7a4ad697d2b80ae6a9d9cca1daeea566e7b
PDF
Publication page0a8e18b9b468d48c67d7cedceb8b0ec17d738273e26d1901b0642df8f4d371a8
Manifest085dd877fe30d1a5451c22fe7ed6e39a6adc6e57222f04ba32d1f6bd2b1db4fe

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
SignatureNVBbBQiph3ptAfZ61m53i0wf6K8jzwZIp3A+Ol+hvMPeeH5Y/Wqcoh0xsDpLIAOGu/qknNdHuq74zPWyFMnCDw==
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

2026-09-17T10:29:38.007351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068481
observed 0a8e18b9b468d48c67d7cedceb8b0ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.990209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068481/manifest.json
observed 085dd877fe30d1a5451c22fe7ed6e39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.972370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068481/publication.md
observed 3823a39a4c0dedc2b6d55a052311a7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.955392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068481/publication.txt
observed 18322dc183cb6ad392173def898f3bbe...
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.