OpenTechnical

OT-2026-000073819

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000073819) never changes.

Identity and time

Publication numberOT-2026-000073819 · never reused
Internal UUID01a0ae93-2b8d-7fea-b1c2-df71af9a0817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073819
StatusPUBLIC

Content hashes

Canonical texta5b8c1e0f025aa5c82c3ace0554c46c9420d68b5c9c2403ac594062dce9bcee0
Markdowncf5fdf8a260348d454720f174f1606447beded3914212db1ac08557c80660679
PDF
Publication page97f1a6a6d01bef622cb03b248608516f237cc570fa6078573ca65f11eb28d5a6
Manifestfe2930761fd8efa85ef78bf2ea30979f62ae13fd2587e5fe7ddaf930eeb0ffc6

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
SignaturevOuWFRiZgvdqPvL1PAeWJzulvyDaGOkg7qbNeQuwILOL9zVRAeruMk7KlMfcQnALInnZoBa2aRuyJcbwYs9YAA==
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

2026-09-17T10:19:56.550034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073819
observed 97f1a6a6d01bef622cb03b248608516f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.531729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073819/manifest.json
observed fe2930761fd8efa85ef78bf2ea30979f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.512787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073819/publication.md
observed cf5fdf8a260348d454720f174f160644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.494417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073819/publication.txt
observed a5b8c1e0f025aa5c82c3ace0554c46c9...
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.