OpenTechnical

OT-2026-000008707

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000008707) never changes.

Identity and time

Publication numberOT-2026-000008707 · never reused
Internal UUID01a0ae6a-e46c-7835-a1cb-e839369890a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008707
StatusPUBLIC

Content hashes

Canonical texte33f44219acfda5723acd4d4734674ac8c1860c5ab7808306d16544575cfcd8c
Markdown75bb5e72772e4abcc1cb679246d979e0953dd5cf45f52bd18dfdcfe7cafcbe24
PDF
Publication pagedc0d3094f42191358415cfc5c5839bb3154d488ea7e981922efc99a53759b406
Manifestedff51b3d7a58d45f83adbcba7e0d06c1fecbdf63a76f9940a9eee3f382a5bbd

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
SignatureqtcDrUPEACV2Fv4moCAlE1P9WAB33gw/Pt+k34whmttpch+eXMwny9yjbAzin1zZ8ftNG/oP0mYIUd+F2ZL+AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:46.906184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008707
observed dc0d3094f42191358415cfc5c5839bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.882833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008707/manifest.json
observed edff51b3d7a58d45f83adbcba7e0d06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.861495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008707/publication.md
observed 75bb5e72772e4abcc1cb679246d979e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.838383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008707/publication.txt
observed e33f44219acfda5723acd4d4734674ac...
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.