OpenTechnical

OT-2026-000064800

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000064800) never changes.

Identity and time

Publication numberOT-2026-000064800 · never reused
Internal UUID01a0ae8d-debb-7ac1-b827-9eef56e5294f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064800
StatusPUBLIC

Content hashes

Canonical textae5b4bc048c1b367686876300564e9a18186746a1d515d5d79a14448f6b6298b
Markdown3d4ce77af24f849caaab64a5e76bd1bd623b9c7b3ef98d2f3a8fbc2d814c1788
PDF
Publication page30c632f9b1fc42e7336f80dde71730eeedccee1a714fcd84de4395efac5b61cc
Manifest2e78217e9ea63a7fb53027ad8f50f423c193cd88f598d06c2ef5b3f16c75a7da

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
SignaturenlRWnf/cMNBNU5zM1BmRqpR46p92YTpVXOBJAqVhDGomm8WRsfNNUr0SHq1Gb3zsMYjK7eMaBAzivkeTODbuCQ==
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

2026-09-17T10:35:42.042204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064800
observed 30c632f9b1fc42e7336f80dde71730ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.026706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064800/manifest.json
observed 2e78217e9ea63a7fb53027ad8f50f423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.010134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064800/publication.md
observed 3d4ce77af24f849caaab64a5e76bd1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.993493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064800/publication.txt
observed ae5b4bc048c1b367686876300564e9a1...
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.