OpenTechnical

OT-2026-000037089

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-2026-000037089) never changes.

Identity and time

Publication numberOT-2026-000037089 · never reused
Internal UUID01a0ae77-7740-7f39-8bf2-f64fd89be953 · 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-2026-000037089
StatusPUBLIC

Content hashes

Canonical text6a77661c69d8381dcc03a34f25c12371657ef3dcebab29871665ef9ea902cd5c
Markdownf1f80e415fae2019f50599f3499f6f6ceab2bee0b4f72a26ae528e9259cdc763
PDF
Publication pageaa1f503637be34fa22db1efa8084b1d891caf52301815090becf61b57b98877e
Manifestd2ba52f312b99766e8bcbcd6f325a2725ef093cf2abdb2dcee40e284bdca5dad

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
SignaturekW9UOaMsoSHBuRkCeYd9kRwI7XBWP00Z/qD4Elk15yTcPjN4Jyi+znfWWyO4Og8FugtlIcmM+yxtJbBs2CyOBg==
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

2026-09-17T11:24:57.305139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037089
observed aa1f503637be34fa22db1efa8084b1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.289601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037089/manifest.json
observed d2ba52f312b99766e8bcbcd6f325a272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.271631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037089/publication.md
observed f1f80e415fae2019f50599f3499f6f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.253555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037089/publication.txt
observed 6a77661c69d8381dcc03a34f25c12371...
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.