OpenTechnical

OT-2026-000078741

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078741) never changes.

Identity and time

Publication numberOT-2026-000078741 · never reused
Internal UUID01a0ae95-ccbc-792f-a19e-13438788cda5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078741
StatusPUBLIC

Content hashes

Canonical text34b511a78bc7cf5f7b88e4bec452c4693de8dfb2bc47e5b2eef2a6b2a5aeba9c
Markdownc908a9e9924eebb313323467409e904ae12d74cb2f552fab7739ff2475010f3c
PDF
Publication pagefd8feabf3678d5d8d951aab74efe9e2efa85e315b1162ca5df61c6d47e434fdd
Manifesta150f0f0815eae843ded93c6bcbeb27c47ee1307d030f6a013e2051e2f5e7439

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
SignaturejZe87aZzX39n7/9v25WhPNokUGCrMLvyTYkhJAlIYAqHUNMvz0+BAzEmLR5t117QtdfWjCiBxPha3pr2jS9gBA==
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

2026-09-17T10:05:31.572400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078741
observed fd8feabf3678d5d8d951aab74efe9e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.554433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078741/manifest.json
observed a150f0f0815eae843ded93c6bcbeb27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.536836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078741/publication.md
observed c908a9e9924eebb313323467409e904a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.517942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078741/publication.txt
observed 34b511a78bc7cf5f7b88e4bec452c469...
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.