OpenTechnical

OT-2026-000032399

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000032399) never changes.

Identity and time

Publication numberOT-2026-000032399 · never reused
Internal UUID01a0ae75-106e-7abd-ab2c-fe3379d9933a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032399
StatusPUBLIC

Content hashes

Canonical text4a8a0b8fc2988cb652a57c2c54771c4ffe6d18592e7cf2c6c7f9fddd70a6fc8e
Markdownb2912aea3a2ca832d56ac58f4db428df778e91e9f9b0040204fc823befd1e2eb
PDF
Publication pageb603c113bb17fda517073bd026468300f0508b09e1d151c7e58e3fcf28d3307f
Manifest77665f65a5dec0662857d66841fd2954883531f0be1ca3cb0c396f35c352164d

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
SignaturerWOAXh0CM2P3wlfImpCpOCog0RDtjkvFrrcWHVd4BJ+grYH+ZVX5nhnFgqtj7U3cN1/WImypUpjSQ1dk/OLFCQ==
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

2026-09-17T11:33:48.767324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032399
observed b603c113bb17fda517073bd026468300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:48.748919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032399/manifest.json
observed 77665f65a5dec0662857d66841fd2954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:48.728066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032399/publication.md
observed b2912aea3a2ca832d56ac58f4db428df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:48.708973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032399/publication.txt
observed 4a8a0b8fc2988cb652a57c2c54771c4f...
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.