OpenTechnical

OT-2026-000030705

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000030705) never changes.

Identity and time

Publication numberOT-2026-000030705 · never reused
Internal UUID01a0ae74-3fb3-706f-a02f-e9c9c5ff828a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030705
StatusPUBLIC

Content hashes

Canonical textad2466bf529020e8f0f47bff433adf1672bdae74d04e2a922203a9b027b7f37c
Markdownafc07ffba66b01f27b79f838fa46973f7fa3f0a15b3d4019ff59e85530b94b99
PDF
Publication page2e6ae638496224f04cefa7c2be60b91c1ced0828aa348c5185c5da7b5ca9c9ef
Manifest6c35eea0ff2292a26baaa76eac4f32502d7e0b8e6728f52b04dc75e1e76e22a2

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
SignatureCPkyXPEYOdqRkSBQfw5I4RQ3L/Wx0KMRZreaFhBrXYu11UMsGW7DrkM1INTvY/qUGR05g8L62F44eDe9I6k4Ag==
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

2026-09-17T11:36:37.441603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030705
observed 2e6ae638496224f04cefa7c2be60b91c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.422006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030705/manifest.json
observed 6c35eea0ff2292a26baaa76eac4f3250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.404530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030705/publication.md
observed afc07ffba66b01f27b79f838fa46973f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.386518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030705/publication.txt
observed ad2466bf529020e8f0f47bff433adf16...
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.