OpenTechnical

OT-2026-000072672

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000072672) never changes.

Identity and time

Publication numberOT-2026-000072672 · never reused
Internal UUID01a0ae92-89d9-7429-af50-2fc2af4409f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072672
StatusPUBLIC

Content hashes

Canonical text6f1d9817d2a4bc991298f9d2641caa2e53636540feeacbd268863672405b916e
Markdownfd46f29058eea0d7d62ef816e5f15efddfe699a5cf4657b7eaf36adbb5edd997
PDF
Publication page1704b562e71f328f8638c5f12383323611226c889b534f0401dd01b0c7455c3d
Manifeste9b20d00059ba3fce2dc669782d594e30a62251d1e94f697f703ff33b4e36759

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
SignaturevtwTDYuQlu0P6hzaevPl5rs9FgD9vmJy/btjxaEN/0iBn1L6KCscfEV0MyX1WihKDZvb7uHe0MseopsgXQz+CQ==
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

2026-09-17T10:22:32.375856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072672
observed 1704b562e71f328f8638c5f123833236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.360374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072672/manifest.json
observed e9b20d00059ba3fce2dc669782d594e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.344276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072672/publication.md
observed fd46f29058eea0d7d62ef816e5f15efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.327012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072672/publication.txt
observed 6f1d9817d2a4bc991298f9d2641caa2e...
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.