OpenTechnical

OT-2026-000060542

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000060542) never changes.

Identity and time

Publication numberOT-2026-000060542 · never reused
Internal UUID01a0ae8a-b7cc-7c30-b92c-d7db56b05481 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060542
StatusPUBLIC

Content hashes

Canonical text4c9052ebb417b24f80b7e365d89283bacf9d62493ceaa6c35416fe6272782fb3
Markdowndeb4d161029282c2d4fb279284d7d04e1c288e68d37006dac83a63315381fa78
PDF
Publication page36a965e8b53f1143174d9d6a7bcf8a9c0fc39a6cf1e544ea4e0cfb329e108bb3
Manifest46b4cee01d4e61815585e575612487f1785f2877940a9159ee81bb6724d49e30

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
Signaturepjs/sHCy/7vBFsP1XpzkxaGke7/5FQ4PZW2U93vUzFlSyAMIk2bWLYKK2eXgpHvm/VddLQMEBrylNvefgaZiBg==
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

2026-09-17T10:43:09.088271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060542
observed 36a965e8b53f1143174d9d6a7bcf8a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.070824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060542/manifest.json
observed 46b4cee01d4e61815585e575612487f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.053794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060542/publication.md
observed deb4d161029282c2d4fb279284d7d04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:09.035526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060542/publication.txt
observed 4c9052ebb417b24f80b7e365d89283ba...
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.