OpenTechnical

OT-2026-000050300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000050300) never changes.

Identity and time

Publication numberOT-2026-000050300 · never reused
Internal UUID01a0ae82-5c47-78ba-8147-3b4bb703711b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050300
StatusPUBLIC

Content hashes

Canonical textb677e1ed90c152d9a1eb202cbda18ec131c920925e3c64a866a76bb6b9b4c0fb
Markdown8e4c89557f4a4f24207b29e645a38fb3bf60c54cb7e5f5139573be2ac459d1e5
PDF
Publication pageb6929f807bcb73d8c3168a54ac47ded51858f32d24a69548b3a40d1dc27499dd
Manifest8475b39451d3f27dcd27f691ea09272d1975a2ec0fd53df04b0898aed6056663

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
Signaturepy8cQ9t3cg3eIBzkKVGZnqQ0wHm1pWGS9/BWbJxZ68+dKCyIu7xTGRaH9Ci4NV94MtkgMKGJtwsf7+XSgfE+DA==
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

2026-09-17T11:01:18.478711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050300
observed b6929f807bcb73d8c3168a54ac47ded5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.461667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050300/manifest.json
observed 8475b39451d3f27dcd27f691ea09272d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.440517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050300/publication.md
observed 8e4c89557f4a4f24207b29e645a38fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.423225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050300/publication.txt
observed b677e1ed90c152d9a1eb202cbda18ec1...
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.