OpenTechnical

OT-2026-000089067

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000089067) never changes.

Identity and time

Publication numberOT-2026-000089067 · never reused
Internal UUID01a0ae9b-daff-7083-b6fa-62671cd1a18d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089067
StatusPUBLIC

Content hashes

Canonical textb64014acd96dd2189a26a93d7e9041ccd7155b4488b8ff5767e5dbdc9ae9c391
Markdowndabc1b18c90bedf6a7ff6e8a6cb9b5a4918d7126579db99503f390d6fec65c1e
PDF
Publication paged75b0ccd1313d91ec87e04c84b41877eafdde568a80239111d17abe5d0906759
Manifest24e97f40ba6a564abf08a9619b9e972edb845b33af7878165a42eebadbfd7ac7

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
SignatureWgzeSARYxRax+al/eDmnDgcKGq4lEZIyWlTD6ILhIYlipxGSV06GDZ92J6OZPs7umOLSP2kOw3adjjn/Nb10BA==
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

2026-09-17T09:46:58.082079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089067
observed d75b0ccd1313d91ec87e04c84b41877e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.064613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089067/manifest.json
observed 24e97f40ba6a564abf08a9619b9e972e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.048316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089067/publication.md
observed dabc1b18c90bedf6a7ff6e8a6cb9b5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.032052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089067/publication.txt
observed b64014acd96dd2189a26a93d7e9041cc...
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.