OpenTechnical

OT-2026-000013365

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000013365) never changes.

Identity and time

Publication numberOT-2026-000013365 · never reused
Internal UUID01a0ae6d-6fca-7ad3-b6aa-63f757c6d3f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013365
StatusPUBLIC

Content hashes

Canonical textf87f89eaabbbd640c21af7e9e5425c80d8158318c61b33f78cc67b22ecb126de
Markdown769adad0b4a32acc9127a0c9d704613bd473b9302941ef622a861e9f23f890bf
PDF
Publication pagea6e5c3c7b13a50d6754eda042f2f47ff0518c6c4319b9d6d21aa59ba78720e6b
Manifest8b16ddd973d026b48e7661b60f6d9c6db95351294f90bf2fc0bcacb9c966e936

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
Signature8zGoFdobHS8/P5dSTsYYafAAOSALmfcneAIKqTGLwTFdCIWM6/A9CWq68Vpk104YUVBnHX5MnJUpUUen2EvWCQ==
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

2026-09-17T12:09:49.409632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013365
observed a6e5c3c7b13a50d6754eda042f2f47ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.383852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013365/manifest.json
observed 8b16ddd973d026b48e7661b60f6d9c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.359948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013365/publication.md
observed 769adad0b4a32acc9127a0c9d704613b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.288467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013365/publication.txt
observed f87f89eaabbbd640c21af7e9e5425c80...
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.