OpenTechnical

OT-2026-000089270

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000089270) never changes.

Identity and time

Publication numberOT-2026-000089270 · never reused
Internal UUID01a0ae9b-db01-70df-9a55-dfda0ccf0368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089270
StatusPUBLIC

Content hashes

Canonical text1e2a1a9cc70aea597700f3d856eb885a34e250101cf0b82af3f8b5ac381da5d8
Markdown714feca3d614e31dd0455c75ece09411b88f737a2f7b69e3e6a03d0ceded8f95
PDF
Publication pagea9dbb476cf955837391d233f27d91d75d2f7b9b6fe8ac1a3d9d4daeed4437087
Manifest2c9a72245eed49f691b42420ffdeb6db367fb64d53eec33d43de1483f99fd4eb

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
Signature5AknbuvmDvdlXYheEpF3YT17dJ7vPyc1ThSCg+KocvB9GHB/tMVylGZ+4IefAKDlZpbpDjbzSMCc3YtCnTe/BA==
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

2026-09-17T09:47:18.609577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089270
observed a9dbb476cf955837391d233f27d91d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.593724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089270/manifest.json
observed 2c9a72245eed49f691b42420ffdeb6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.578069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089270/publication.md
observed 714feca3d614e31dd0455c75ece09411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.560154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089270/publication.txt
observed 1e2a1a9cc70aea597700f3d856eb885a...
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.