OpenTechnical

OT-2026-000006469

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, three stage ejector, silicone cups

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-2026-000006469) never changes.

Identity and time

Publication numberOT-2026-000006469 · never reused
Internal UUID01a0a95c-5904-76df-9f9f-95e55c4944fe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:36.742778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006469
StatusPUBLIC

Content hashes

Canonical text979ca598a4a9ae7d298de9f354100efd1083bf00dc7f7f5581c15a12e9de4723
Markdownd6fd44018de1c6287945a5e027c9441197772a8e19c80347745d0372bb5f5941
PDF
Publication page09f207a951d6c8bf13159929f911a9d8485a096c94f3693432c54977ada5118e
Manifestc91f2801d63751dc5a304325591109e7f5386e50386a6901c358c49609700629

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
SignatureoQc1MqgqAGr31oxcIPx/ODDiaN/TJnA4AKUpbTTulLHtrSK6pWrkAxBMm2pjlSbLgeM6Gty/e40xrilzUDdEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:13.984785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006469
observed 09f207a951d6c8bf13159929f911a9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.971730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006469/manifest.json
observed c91f2801d63751dc5a304325591109e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.959058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006469/publication.md
observed d6fd44018de1c6287945a5e027c94411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.945170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006469/publication.txt
observed 979ca598a4a9ae7d298de9f354100efd...
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.