OpenTechnical

OT-2026-000089276

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089276) never changes.

Identity and time

Publication numberOT-2026-000089276 · never reused
Internal UUID01a0ae9b-db01-748d-a2bb-808a6c0e1141 · 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-2026-000089276
StatusPUBLIC

Content hashes

Canonical text21e97108b661e2e03ee9a250bdf06eaa341b233807f515e9b1194484053c6eb6
Markdownd21b5f061cf919089ec6526798735f1a87979aba148b8f7d71f364702a0d1af0
PDF
Publication page196dc8a7ce0f0a72f7dab58869c201fbd552afaf7761798359f10541053f9862
Manifest72096999ebbf178bff43e90e14ef8c6a883672aae73043f1041cb0e717450b18

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
Signaturej8MvCmYT+Q1HOacrO7XVoB0rsRuJU6vxnehS1gkAPKqIQU5xH56Dn/m9SXkmTiQxF+th3pwOGwrUw1hJwpIBCQ==
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

2026-09-17T09:47:19.166368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089276
observed 196dc8a7ce0f0a72f7dab58869c201fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.147089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089276/manifest.json
observed 72096999ebbf178bff43e90e14ef8c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.117907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089276/publication.md
observed d21b5f061cf919089ec6526798735f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.079193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089276/publication.txt
observed 21e97108b661e2e03ee9a250bdf06eaa...
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.