OpenTechnical

OT-2026-000014003

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000014003) never changes.

Identity and time

Publication numberOT-2026-000014003 · never reused
Internal UUID01a0ae6d-8dea-7d7d-8eca-c8a199156c35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014003
StatusPUBLIC

Content hashes

Canonical text62979653873876e7aaab011afff8b1647b6999ea57a4bfabfef1f20dbfebaaab
Markdownc3757f91d15731f6d03c7e976f9678efbc124c9e179a25e53644343b098c1282
PDF
Publication pagee9ed63bab9a897e7dc6434ce9f363e8844d50836a938adcad66ec35301dd4991
Manifest14d65735b950e24476a0b9e3e036b59df227a0bae9f133c87212fb7ea624b237

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
Signature8+MYEUHSdu6evLKI05L3Xdmt/HfhAyqp5almB3uIeltbtO4vTGMLRUT9Bur2l2NX+vB0RzhfKxlU6SSqHwUTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:13.548679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014003
observed e9ed63bab9a897e7dc6434ce9f363e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.529535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014003/manifest.json
observed 14d65735b950e24476a0b9e3e036b59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.509298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014003/publication.md
observed c3757f91d15731f6d03c7e976f9678ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.488794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014003/publication.txt
observed 62979653873876e7aaab011afff8b164...
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.