OpenTechnical

OT-2026-000005719

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, pump fed, contact triggered, vented before set down

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-2026-000005719) never changes.

Identity and time

Publication numberOT-2026-000005719 · never reused
Internal UUID01a0a942-8a3a-77e8-a64b-e80a09536733 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:25.405380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005719
StatusPUBLIC

Content hashes

Canonical textf52fa585e0a594a23a60d0ee984f0f0f8b0f94cfe370dc9b03f926e6b0689b09
Markdown75086f3c0e6de2c5d571d3fcbc9185cba77d0f207a9630292b030af78dbf4c55
PDF
Publication pagea9af76528c3d6c35bd23fe1e41397677d65767d5dfc98a5e402c05861841a99b
Manifestad4f54bb03222885c8443457968f502b7fa82f581b1368e97bf93cf46b848228

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
SignatureURWnPqJZmudHRo6+MLLxQVzcTeMsusIW0AQklnsmwPSnpvJUkB11nL2BbvW/++a53oCOQ6cs/IKm3gMvFKoWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:07.731196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005719
observed a9af76528c3d6c35bd23fe1e41397677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.717078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005719/manifest.json
observed ad4f54bb03222885c8443457968f502b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.702495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005719/publication.md
observed 75086f3c0e6de2c5d571d3fcbc9185cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.671512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005719/publication.txt
observed f52fa585e0a594a23a60d0ee984f0f0f...
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.