OpenTechnical

OT-2026-000045416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off 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-2026-000045416) never changes.

Identity and time

Publication numberOT-2026-000045416 · never reused
Internal UUID01a0ae7c-f76c-702f-ab63-c3cedba964ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045416
StatusPUBLIC

Content hashes

Canonical text01bcbc91614c71af31bc0f496c8600af1153b0172a718eafde3c6f3104409371
Markdownd81a85a80863d837d2a37cdd841cffd0e939ee22a361188f53445f3041bd6f9b
PDF
Publication page92fc63b1f1ce6a7fddcf8b5a0902c01edab0065c8a962996c174d4b19746a6bd
Manifest04f1fc1316cde3fc800428d7d54197aaaaa476d9550590d74a4d79b953741da4

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
SignaturevY1KTkGAeD639PF0KwW1qevR5FbYogMWfnf74VPllUcHEdQI0++JIfttZdXG166ptzqoxiPhPdEKZbuUcyktAA==
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

2026-09-17T11:10:42.458194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045416
observed 92fc63b1f1ce6a7fddcf8b5a0902c01e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.438592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045416/manifest.json
observed 04f1fc1316cde3fc800428d7d54197aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.418631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045416/publication.md
observed d81a85a80863d837d2a37cdd841cffd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.399536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045416/publication.txt
observed 01bcbc91614c71af31bc0f496c8600af...
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.