OpenTechnical

OT-2026-000088330

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line 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-2026-000088330) never changes.

Identity and time

Publication numberOT-2026-000088330 · never reused
Internal UUID01a0ae9b-5d27-7143-9370-77c175c1495f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088330
StatusPUBLIC

Content hashes

Canonical text4219bbde64dae299a1f9f5dda76496ae1780eea6642df129cd60060ab0c946d2
Markdown70ec214b2a45a1a2e99befcffff39b97731d338dacab1f0393b1c1183eb48176
PDF
Publication pageef3b1cf465913ac9b52cefb41ca95bb7f85c1d1a4c3b5590b3e356ab81103a9d
Manifest0557de60642d662c59c5300b96484dd4f26d5fc05fad340e8ad4f7b28a698703

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
SignaturecAXW62yxgV+J8qPm4lONYcClan9gX4JWdmyM1P6RgVbq66DzB3j9iEidm2fb8dk+ayC+druc2tJ+PlPUA3dHDQ==
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

2026-09-17T09:48:39.853123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088330
observed ef3b1cf465913ac9b52cefb41ca95bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.833014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088330/manifest.json
observed 0557de60642d662c59c5300b96484dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.814060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088330/publication.md
observed 70ec214b2a45a1a2e99befcffff39b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.794658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088330/publication.txt
observed 4219bbde64dae299a1f9f5dda76496ae...
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.