OpenTechnical

OT-2026-000103219

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off 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-2026-000103219) never changes.

Identity and time

Publication numberOT-2026-000103219 · never reused
Internal UUID01a0aea4-be3f-7dd1-8e8d-fd96ba39f693 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103219
StatusPUBLIC

Content hashes

Canonical text5317b33a82de610e1fff683f1183ec6addbab6d7b5f5a23b502e9305b13a7e16
Markdown4b3e18cc1ef4a7f26a94fe23a2f3f9d272b8f3e20250e096791d897e377dda17
PDF
Publication paged85ba1b44a7ce39ffc20144c4f2cb537f9ffcf5a45b58d1e4e3636c508005f9b
Manifeste5c0a3ef026a1872601223dbd61141df815e0ac726ce27235284f7b3ca50825f

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
SignatureFu3a6Tuaq4Q5slFeOJnsJvmlrsz824qXZf44M8LvZ95PsG7OZqPpBLIW72GlfUemH9DZCRveIdX05YFoY7NoBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:26.960579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103219
observed d85ba1b44a7ce39ffc20144c4f2cb537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.942648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103219/manifest.json
observed e5c0a3ef026a1872601223dbd61141df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.925048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103219/publication.md
observed 4b3e18cc1ef4a7f26a94fe23a2f3f9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.906877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103219/publication.txt
observed 5317b33a82de610e1fff683f1183ec6a...
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.