OpenTechnical

OT-2026-000037077

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000037077) never changes.

Identity and time

Publication numberOT-2026-000037077 · never reused
Internal UUID01a0ae77-7740-79ec-a2f7-694fd8084ff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037077
StatusPUBLIC

Content hashes

Canonical textd9e45cdd033e810eaa7d3ae904059aca10773b3bad15e06895821d405c73c23f
Markdowne40850155b86d4c56dae2240201404ad4e3d1ab07f04b34c2b33b1c762b5a353
PDF
Publication pagedaf8d4c88cba3ab13322d7f86e78a32826101ec60c9c0035938ac7651e0e4e8d
Manifest3e00ebfc5d2bd2b559019ef76d37a9dea879b124c04dafbd29e62e09d3db9685

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
SignatureCAvPfrprOt6LL2zweSdshdaZsw1Mzkyp8GYso0ukOKKXItErQjKTjQdQADqyQPF7vxLyG76a0nKl90mDYgLuDg==
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

2026-09-17T11:24:56.507915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037077
observed daf8d4c88cba3ab13322d7f86e78a328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.490968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037077/manifest.json
observed 3e00ebfc5d2bd2b559019ef76d37a9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.474168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037077/publication.md
observed e40850155b86d4c56dae2240201404ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.456967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037077/publication.txt
observed d9e45cdd033e810eaa7d3ae904059aca...
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.