OpenTechnical

OT-2026-000102619

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000102619) never changes.

Identity and time

Publication numberOT-2026-000102619 · never reused
Internal UUID01a0aea4-858b-7b1d-91be-e173a7adc055 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102619
StatusPUBLIC

Content hashes

Canonical text96329ce653f096b708ef356c0434ff2ca5f8a87916427e456ad41c74f7a78428
Markdownf61d0426f632fa15407f73010776f33b8a3d84958b3fcc402483815bbcab5b76
PDF
Publication page7c8f58cd211ee4eb23270b4c84bda78237e4da997285862d2d75663d21d7c147
Manifest5bb5fd10ecf0b4d1d26ad48d7c3c4ae11dea6dd0553c5201d92b7de2fd18cfc9

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
Signature1eiyFRM09nZB+F1ds5RLfZiWMCjEMvBd4YlEmj8SVywQ0Fv/QXf8/vWwBCcuzI1amCcZekLHFu3j7t1CMetpAA==
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

2026-09-17T09:23:40.261752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102619
observed 7c8f58cd211ee4eb23270b4c84bda782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.244726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102619/manifest.json
observed 5bb5fd10ecf0b4d1d26ad48d7c3c4ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.227877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102619/publication.md
observed f61d0426f632fa15407f73010776f33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.210411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102619/publication.txt
observed 96329ce653f096b708ef356c0434ff2c...
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.