OpenTechnical

OT-2026-000098046

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000098046) never changes.

Identity and time

Publication numberOT-2026-000098046 · never reused
Internal UUID01a0aea1-92f8-747f-a91b-0056594a88e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098046
StatusPUBLIC

Content hashes

Canonical text98a971a1afb30d973c3a11209a994c73f8c9df81d4f1421291ee52a51d86700b
Markdown1e5b87e503d1c6f73278230b31c65ceb68e2f85e29785f00206aa8e8ce4af1e5
PDF
Publication page964f90fea1138bb01f6a0ff2a4d376016807ccff64f3d1084899b8158eab15e9
Manifest2978d3658aeaaefc892192022e371309b91fa0b8eb3b28ef865ace3308dc3669

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
SignatureSS/zQbpvimhKOj0achDobEuVaq37WJIhyWjSq2E37w3gMrayRm7/FxuDn3X8iq+PhYX0gzbctGlGJl+59dNYDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:13.603928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098046
observed 964f90fea1138bb01f6a0ff2a4d37601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.585866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098046/manifest.json
observed 2978d3658aeaaefc892192022e371309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.568025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098046/publication.md
observed 1e5b87e503d1c6f73278230b31c65ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.549504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098046/publication.txt
observed 98a971a1afb30d973c3a11209a994c73...
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.