OpenTechnical

OT-2026-000011074

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000011074) never changes.

Identity and time

Publication numberOT-2026-000011074 · never reused
Internal UUID01a0ae6c-540e-7e6c-96c4-576b366b2e5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011074
StatusPUBLIC

Content hashes

Canonical textafbcb3970f519bba274522c6b4f230cd1275422da2be2301b7f44290574c6773
Markdowne9479aabebf27ad66a5b36f2a2e1ac7eb9acd245b59b09f2924c9b9f82051b5d
PDF
Publication pagefedfde78120692964d22b8c1ed1fbb6cd31b27cf79a7a61f58e80bf451d32f1d
Manifest1733320cf4bb7769ce67f06c44f1289b857acd2b2ebebbefd891205629921eef

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
SignaturePNgj7X7QOaR4DL2R8YdNBGPerubNXbkQ3SVoQXCuOhmE1k3lM7/ktjW8PbC6yInn9imOUevacN8W64XzGG4tDg==
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

2026-09-17T12:13:54.598016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011074
observed fedfde78120692964d22b8c1ed1fbb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.577380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011074/manifest.json
observed 1733320cf4bb7769ce67f06c44f1289b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.557133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011074/publication.md
observed e9479aabebf27ad66a5b36f2a2e1ac7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.537465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011074/publication.txt
observed afbcb3970f519bba274522c6b4f230cd...
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.