OpenTechnical

OT-2026-000027206

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000027206) never changes.

Identity and time

Publication numberOT-2026-000027206 · never reused
Internal UUID01a0ae72-3454-7fca-946e-9217d158059a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027206
StatusPUBLIC

Content hashes

Canonical text70e9aac15df84bc326b776d29fbb77a4f4789a5e0756930dcd494d196c70f82a
Markdown5bac15b55226f545021bacda9e67ab3725ca5115ce45bbbee25a75c08eaf4294
PDF
Publication pagefc6ebd07483ddf36bb7aefe08be5e2e4c1b8d61ce4e89022eb7ed2f93c24428f
Manifest62a46f96e3ef67c42086f858a61c61bde75c53a329db23e761f17b926067ca84

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
Signature6kVqE1B1gc/pubOzkWNXA+zV1yFZSATB2z/ofDBBCdMob981Kmsv9w+sXabfp8Jg1H6exzYz5+1Q0LjkgkkfAg==
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

2026-09-17T11:44:05.780563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027206
observed fc6ebd07483ddf36bb7aefe08be5e2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.764700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027206/manifest.json
observed 62a46f96e3ef67c42086f858a61c61bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.748454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027206/publication.md
observed 5bac15b55226f545021bacda9e67ab37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.732097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027206/publication.txt
observed 70e9aac15df84bc326b776d29fbb77a4...
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.