OpenTechnical

OT-2026-000030704

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000030704) never changes.

Identity and time

Publication numberOT-2026-000030704 · never reused
Internal UUID01a0ae74-3fb3-764c-9166-10201210f27b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030704
StatusPUBLIC

Content hashes

Canonical text9e693ea2770c64cf5e711159e9f768ea91a01e6a2ad8ecb5d058094ea8d2ab09
Markdown41799786895818a86ee09f0b763d8da68b51a97cdc731a97d0de05781cf032de
PDF
Publication pageec088410d1c6fddd9c1fd89d6f9ca3a93b4e289593a319966bc91780a0cba4d0
Manifestbdcbeec2fd5d31954a23bf853e261e5ebb3154ea4e8cb83ff71a1a86500791b5

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
SignatureV8881tSKI6m47BMJyRnaZ5RgMuqNVJmwbZMw/D0jjqzN7B83D3v0gFQfECjb6AZTU1gSqNGmUFNqqclHKdC8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:37.366345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030704
observed ec088410d1c6fddd9c1fd89d6f9ca3a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.349407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030704/manifest.json
observed bdcbeec2fd5d31954a23bf853e261e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.332938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030704/publication.md
observed 41799786895818a86ee09f0b763d8da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.313305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030704/publication.txt
observed 9e693ea2770c64cf5e711159e9f768ea...
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.