OpenTechnical

OT-2026-000025667

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000025667) never changes.

Identity and time

Publication numberOT-2026-000025667 · never reused
Internal UUID01a0ae71-9bc9-72cf-b9f9-1f6d99e1b339 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025667
StatusPUBLIC

Content hashes

Canonical text6d3cdc9bf7a6fd9309380ab352490ff3c53a087c3370ebf05f7753f78671cbc4
Markdownc4f53158323cb460d4ddc65e6fec348e5c11bcad39775badb70659c49222a236
PDF
Publication page481700fadeaf2000260b6080602e6e97cae57f8c82bbc4f6d769463287663fe8
Manifest2432321dab53dd0c0f7efd60229fdd821da6049db97d32dbbbeec95be0938f96

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
SignatureolDR66Idm1bjyPjLeeujCVoS0eK8sIBqFmj52947/bYQYXh1KIZndrKKDUjFaGuAB+9sldHB16bBgKyPx5AZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:49.638509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025667
observed 481700fadeaf2000260b6080602e6e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.620461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025667/manifest.json
observed 2432321dab53dd0c0f7efd60229fdd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.602828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025667/publication.md
observed c4f53158323cb460d4ddc65e6fec348e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.586275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025667/publication.txt
observed 6d3cdc9bf7a6fd9309380ab352490ff3...
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.