OpenTechnical

OT-2026-000082906

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000082906) never changes.

Identity and time

Publication numberOT-2026-000082906 · never reused
Internal UUID01a0ae97-8cca-7bcc-be42-320c4a1faf29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082906
StatusPUBLIC

Content hashes

Canonical text31bad5e35eae54fcf235d5de2fbde05cffbee328d129e4082041a98b554aa6ca
Markdown8219347c62c75bb597997a682ee2527ee1e84b8687dbc0453241940d5a791b2d
PDF
Publication page9ef84ae2260c2c93510da19acfc5e3db428aaf9bc3a39a25bc5d530670ddd1e3
Manifesteb3f44881362c2c8d7a980afcaf682711c1ca49ba149939979ae2feaab740c98

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
SignatureGvb8NV1Q1OaHO+MzSK6z6ErvM9JAZ+L3z+OqYS/CuRYEUsK7hfld0aqK6uOU6GVXx7yTzDIIwnkUt3o/jYoPDg==
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

2026-09-17T09:58:35.702011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082906
observed 9ef84ae2260c2c93510da19acfc5e3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.684125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082906/manifest.json
observed eb3f44881362c2c8d7a980afcaf68271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.664536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082906/publication.md
observed 8219347c62c75bb597997a682ee2527e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.645225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082906/publication.txt
observed 31bad5e35eae54fcf235d5de2fbde05c...
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.