OpenTechnical

OT-2026-000066714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000066714) never changes.

Identity and time

Publication numberOT-2026-000066714 · never reused
Internal UUID01a0ae8e-ce42-73a4-81fb-5d87b3c1c304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066714
StatusPUBLIC

Content hashes

Canonical text16271c5b8bed1269c02b3947f8d4f0c545bcd097b28baabcffdb6f704fafde57
Markdown813f04ce1177f26faa070f4472ebfb94c201cae58cb287f37e2a36f7cafb04c9
PDF
Publication pageda0231121b03947da27e6461c61992bd702a40cef5a8ec3bcddab544cd64895e
Manifest06e477ae82f08e896db619a9ade440567e43b59546e725fe57ed5ce117e37817

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
Signatureq9B5VBTAGQCRtExzECB4WEgvUoSrc8HffVNELZZkRyxpdKpmwdMOobd41XVAUawwQRj+E6yF+2itG90oFsQVCw==
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

2026-09-17T10:33:07.005370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066714
observed da0231121b03947da27e6461c61992bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.988868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066714/manifest.json
observed 06e477ae82f08e896db619a9ade44056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.970175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066714/publication.md
observed 813f04ce1177f26faa070f4472ebfb94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.950248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066714/publication.txt
observed 16271c5b8bed1269c02b3947f8d4f0c5...
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.