OpenTechnical

OT-2026-000071183

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000071183) never changes.

Identity and time

Publication numberOT-2026-000071183 · never reused
Internal UUID01a0ae91-e0eb-78c2-928e-963e852ad19d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071183
StatusPUBLIC

Content hashes

Canonical textdbd12ca16abd98bcbaf2a87a815954e85e3f9c0cda6d6ec4c449610661ebbc92
Markdown15d7d70bae8123aa643dab36c4efa610373934e6dcc83e65d1d073e602c2b54c
PDF
Publication pageb5606f3b31fe25ae2da213a415e79aebbb2ec4cbd83309161a869895df5a9a3d
Manifest2fb7d75d669ae0ef605eb050282e4e28840945cf6e90703f1c7bba3cd48bc113

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
SignaturevVOhYHNEfTFoTTdpgWeW6BsKrvjez3DI5CJABhAw69bmJG4bwDmR4BzUUNvTRldxlGpO3SY+VmPMWOgA4iXQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:41.853539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071183
observed b5606f3b31fe25ae2da213a415e79aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.836487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071183/manifest.json
observed 2fb7d75d669ae0ef605eb050282e4e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.818305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071183/publication.md
observed 15d7d70bae8123aa643dab36c4efa610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.799797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071183/publication.txt
observed dbd12ca16abd98bcbaf2a87a815954e8...
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.