OpenTechnical

OT-2026-000084606

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000084606) never changes.

Identity and time

Publication numberOT-2026-000084606 · never reused
Internal UUID01a0ae98-e25b-738b-8b19-691f998a9812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084606
StatusPUBLIC

Content hashes

Canonical textfc5621dba0059574834c1f04b8de6317319d529d3596d11694ad0164f28720e3
Markdown8d792bde9281992bf508bd88b23301577ec8fad0f298603557a4a3ca6e3ba05f
PDF
Publication pageaa126d79a8d374ebb29b0abacac3682d90ff124ceacac93cb2decbbf1ea0fdd6
Manifest02d6304a1bb97ea7bce3c72bf8e8eb35d6bd094d20984680f8decfb5c9a51f1f

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
SignaturebEVtTjIMMn/TfImk0PTjuF6kHKDZD4BVcKptaQpZzrFS90C+RSh+PRJofVp5hH9LaUaJljdF5KHu/8rDhAwKDg==
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

2026-09-17T09:55:30.853952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084606
observed aa126d79a8d374ebb29b0abacac3682d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.835390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084606/manifest.json
observed 02d6304a1bb97ea7bce3c72bf8e8eb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.817851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084606/publication.md
observed 8d792bde9281992bf508bd88b2330157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.799200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084606/publication.txt
observed fc5621dba0059574834c1f04b8de6317...
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.