OpenTechnical

OT-2026-000079175

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000079175) never changes.

Identity and time

Publication numberOT-2026-000079175 · never reused
Internal UUID01a0ae96-0b8f-7d9b-af6b-ac8185c7fc17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079175
StatusPUBLIC

Content hashes

Canonical texta78c45e9997b20c7deabd5db9a48bea7a91baa6f0d3c6f8ae8e715979d434774
Markdown19c63162713ae334d6916f0b378a88fc413441f09a905e41b7e890915495dedf
PDF
Publication pagecd9d0c977c9faa83c8dad6056647bccbf005e1e3476a16af07c93205ed5b60e1
Manifestc74bc3c6b08264216e13cd51948a748e331fdf051936aa849b4fb6902b7179de

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
SignaturedjotX193iFrRlFfnqCrXalS5q5vi/5DtZPs8mXsRYaco/LhmDaEDOioAUeTBkY9vCQDPSDZNFSDZfiw3ddFTBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:46.017354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079175
observed cd9d0c977c9faa83c8dad6056647bccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.000314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079175/manifest.json
observed c74bc3c6b08264216e13cd51948a748e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.982298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079175/publication.md
observed 19c63162713ae334d6916f0b378a88fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.963798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079175/publication.txt
observed a78c45e9997b20c7deabd5db9a48bea7...
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.