OpenTechnical

OT-2026-000058733

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000058733) never changes.

Identity and time

Publication numberOT-2026-000058733 · never reused
Internal UUID01a0ae88-f39e-72be-aa22-cafaf5bc8c0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058733
StatusPUBLIC

Content hashes

Canonical textb3f1c832c3a53cd4de0643a06dee694dac7abce1fb425f111df15c54f0e14733
Markdown7108a30f390959b097f143d46f6772576e5dc8c0888fead1587bd0834fe9ac7e
PDF
Publication pagee54779be7db349bab40621f6f3d2e706255118510ebaa37044eba4334f4a5db0
Manifestb7ca3e15d7b17a126d4868abeed5e63f700ef4064caa363a8a4676eabb1dc1d4

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
SignatureY7sY6kkgjNrg+Qug6q1RXLCFIOJ2lmecKDiGPfqZ/9N0LZOtKH3wMSl0A5/wg10ZOqnt5uCBvKoTPaMGAQXKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:16.012830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058733
observed e54779be7db349bab40621f6f3d2e706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.995429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058733/manifest.json
observed b7ca3e15d7b17a126d4868abeed5e63f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.979273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058733/publication.md
observed 7108a30f390959b097f143d46f677257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.960889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058733/publication.txt
observed b3f1c832c3a53cd4de0643a06dee694d...
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.