OpenTechnical

OT-2026-000072668

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-2026-000072668) never changes.

Identity and time

Publication numberOT-2026-000072668 · never reused
Internal UUID01a0ae92-89d9-7329-a6fc-9a2e73cd5ba2 · 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-2026-000072668
StatusPUBLIC

Content hashes

Canonical text9383847fc2b32f856f2c7583d2b54a37e135b6d2d676bf26118dff554aae591e
Markdown2dc850e68bf27b0f7eb40d17108e679088f95be731ed0de45171f9d5e597842e
PDF
Publication page63d23a2125848e730373a6c07e6423078ed2605b29ba5931db755d5de984e104
Manifestb813bd7ded749fda2628190e1a19c9f0e137609afc6540d49ca8027d1b8e1287

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
SignatureZuhe/XTAhQKxLUNb5uN94n3BO9ac2UztvQ2ZzK/PYq+LcdeQpxB8bt+CtB6Ue94WkQYy6mZsWZpSvY6djBwWBw==
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

2026-09-17T10:22:32.173165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072668
observed 63d23a2125848e730373a6c07e642307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.156563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072668/manifest.json
observed b813bd7ded749fda2628190e1a19c9f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.138459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072668/publication.md
observed 2dc850e68bf27b0f7eb40d17108e6790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.122478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072668/publication.txt
observed 9383847fc2b32f856f2c7583d2b54a37...
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.