OpenTechnical

OT-2026-000098890

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000098890) never changes.

Identity and time

Publication numberOT-2026-000098890 · never reused
Internal UUID01a0aea2-8286-7a15-9907-279762d504fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098890
StatusPUBLIC

Content hashes

Canonical textc1af089f2c685b37ced01eff5bc2dcfe479c1f40e9cf663913251b0ea5e4daf8
Markdown5b46519c59db54720d3fe8b1388513c56a10c04f4c163f9721ead74eaa50a6fc
PDF
Publication page20c4731e62be7973f2f97717520d8e58659b69f9ab9c47e1429fcb9457c22990
Manifest216a276889f1121c9970fa1bdd50910311df259be8f960d984ec5944c8cea851

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
Signatureke53QQekvsyK6kJjJ/5C616JKDU9fdG3NiMMSQkM4dxnU3D4giQ1ARugIrdUnn2qdEB/psnIjUDjkRey08YJAA==
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

2026-09-17T09:29:56.686438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098890
observed 20c4731e62be7973f2f97717520d8e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.669680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098890/manifest.json
observed 216a276889f1121c9970fa1bdd509103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.652962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098890/publication.md
observed 5b46519c59db54720d3fe8b1388513c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.635812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098890/publication.txt
observed c1af089f2c685b37ced01eff5bc2dcfe...
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.