OpenTechnical

OT-2026-000100136

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100136) never changes.

Identity and time

Publication numberOT-2026-000100136 · never reused
Internal UUID01a0aea3-3052-7a90-ada8-11375e688dfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100136
StatusPUBLIC

Content hashes

Canonical text1eadc882fe6e607bd1c170ffb00e80c6126b5c3a77d85e867626ea60d5b78a27
Markdown4c68840fba9b07a323d750d8fd3369eb78736941eaa52442b7307363dd4e37b5
PDF
Publication paged1bbc48533edfe1f1af9ddc3b5a30e59f90cb4f86eddca8d716b0a6c6e42ad66
Manifestb319b1cc65aac44e067ba120534b6c124c4402aaa87a220e3193b96855307401

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
SignatureA+iKOeF54AKRS7xYaP/15zwzoo3XlUhI4jDh3Vv8RZksOiEqMGV8A5ZQTmzBkb0w/VRPyjz7LM6zNJxTrYbqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:50.254208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100136
observed d1bbc48533edfe1f1af9ddc3b5a30e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.233863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100136/manifest.json
observed b319b1cc65aac44e067ba120534b6c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.212836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100136/publication.md
observed 4c68840fba9b07a323d750d8fd3369eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.190619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100136/publication.txt
observed 1eadc882fe6e607bd1c170ffb00e80c6...
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.