OpenTechnical

OT-2026-000011112

Publication integrity record

Single cup vacuum gripper, pump fed, supply line 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-2026-000011112) never changes.

Identity and time

Publication numberOT-2026-000011112 · never reused
Internal UUID01a0ae6c-540f-7fe5-bf5d-c51f35a34e20 · 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-2026-000011112
StatusPUBLIC

Content hashes

Canonical text37e63fb84da13b600fecbc796a188e4bc8c93533b5b373d6cf2b639ecfe5be11
Markdowncc365df8488c7fa28716539f13cc80197a2fc925dba62335a2c78cce5fcb58b9
PDF
Publication page995d89d29ed74f7581e11514124f34fb7d398650c58a826eebf84a9f7f3d4212
Manifest4b4691b30df71e34f982e8b48352dbd936be800ebf90c3b540afc2a44cf8ad71

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
Signaturei4K+cJyO8uBIU9W3XHwxSQ7R0Fy/BM9RxK19sslc7R0ZxPxtLB4gL8fvNGELjifFrcvDJdjOB1tBUjKYCiTABA==
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

2026-09-17T12:13:57.714574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011112
observed 995d89d29ed74f7581e11514124f34fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.696377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011112/manifest.json
observed 4b4691b30df71e34f982e8b48352dbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.677905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011112/publication.md
observed cc365df8488c7fa28716539f13cc8019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.653337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011112/publication.txt
observed 37e63fb84da13b600fecbc796a188e4b...
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.