OpenTechnical

OT-2026-000022862

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000022862) never changes.

Identity and time

Publication numberOT-2026-000022862 · never reused
Internal UUID01a0ae70-46eb-7e72-8ed3-21b25080de89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022862
StatusPUBLIC

Content hashes

Canonical text6e49247c36b79a2254e228fc5a94f9e2edda7fbe39e1979b247568f0382b885e
Markdown25b6968d25965dc90c892136951152763a57671d9aad92c8275f0bbfbb3dd031
PDF
Publication page693e48463dd28c62a0b75073a4d513329621780f0b2318b2174cb552c66d0a66
Manifestb38fb29c61758bd7a9e45f703702f5df5d76c212d95b9c7dfa0c9e479619a2a7

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
SignatureTVR0pz3lM7P2GFMo146YV/co0KHKLVvDt0vKFfyAY9OapM9eNWylllZzdBic/x31uaxm4VyrToo5lUvDdDWlDw==
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

2026-09-17T11:52:24.218643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022862
observed 693e48463dd28c62a0b75073a4d51332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.203060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022862/manifest.json
observed b38fb29c61758bd7a9e45f703702f5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.185280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022862/publication.md
observed 25b6968d25965dc90c89213695115276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.163214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022862/publication.txt
observed 6e49247c36b79a2254e228fc5a94f9e2...
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.