OpenTechnical

OT-2026-000072328

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000072328) never changes.

Identity and time

Publication numberOT-2026-000072328 · never reused
Internal UUID01a0ae92-47c3-75e9-8a88-e73dacfad707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072328
StatusPUBLIC

Content hashes

Canonical text25cc9b830a652f1681bc07723579a11eb6efc32f68b49ee88db86a493772dc98
Markdown7645a06cf52d6ea8b87e9dcc6514115d0d4b2f42700bfefbf7f45b4feb924547
PDF
Publication page9fba083b4e38b7b2e3ce14b982146173d23f416432899b15e233803b08357c45
Manifest57a30b984f33355e341701b93c4adad3d239d3d042ee309275bb03dda00e17dd

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
SignatureEupeZ8iJGMXMQL+rAAufybIPcsw+FPC6eQCwi310u4dwrS1enL9O+iyDyVFRpd9zi9m4KEBXyK90brGzPfu+AA==
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

2026-09-17T10:23:33.459885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072328
observed 9fba083b4e38b7b2e3ce14b982146173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.441169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072328/manifest.json
observed 57a30b984f33355e341701b93c4adad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.426022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072328/publication.md
observed 7645a06cf52d6ea8b87e9dcc6514115d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.409764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072328/publication.txt
observed 25cc9b830a652f1681bc07723579a11e...
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.