OpenTechnical

OT-2026-000045144

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000045144) never changes.

Identity and time

Publication numberOT-2026-000045144 · never reused
Internal UUID01a0ae7c-f769-7213-be5a-35a33d5efd26 · 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-2026-000045144
StatusPUBLIC

Content hashes

Canonical text55764f12bd6e693ea5343f9b8e22f54fdad57c96244ceaa4d8cdcf91d960f708
Markdowna462b5e528471001931fa8ba57c37c1dcd13053be8b7cecf7d1d4083c7aabe12
PDF
Publication page29e54e1c1491d574ab7740e3544507ad2388c05e26064703e1ce9ff0b0f190fe
Manifesta4245dc88d61ef73bbbd32c1ffbad8728076d9b6a98a9b3ee631357d30251e55

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
SignaturephsEGFbhKERWMXBoLJ9EGVIXZ8OGWQhVt2iYTWaA3hP3ehKqDg8WtqZyxQKL7YSdo19uhCxMwBeyaprQ55I1Aw==
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

2026-09-17T11:10:17.821507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045144
observed 29e54e1c1491d574ab7740e3544507ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.803157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045144/manifest.json
observed a4245dc88d61ef73bbbd32c1ffbad872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.785880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045144/publication.md
observed a462b5e528471001931fa8ba57c37c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.768906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045144/publication.txt
observed 55764f12bd6e693ea5343f9b8e22f54f...
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.