OpenTechnical

OT-2026-000077606

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000077606) never changes.

Identity and time

Publication numberOT-2026-000077606 · never reused
Internal UUID01a0ae95-2ece-7e8d-b4b4-3cc80ce98207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077606
StatusPUBLIC

Content hashes

Canonical texta1fae9042279ca298da8832b93dc22c986b0df93c684c5fcd7c5e6bb509efbd0
Markdown09b7983f4017b35871f310891bcc077eb8b313769717c3d7c334c9bde33adcc4
PDF
Publication page6e6b1ce2dee7b8700507977fc3cedabbdfb8786a709697de4b6585ba148c8762
Manifesta5d7db5ed55dbb3ff4d2e92dba0cd4509c72d89d00e4285a8ed0b0459cc9061e

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
SignatureAYqmT8Yosny/JXXeecNsQf20BZ4noDg6X5NCPppM/JFGeoDrl0VLCigxsBmB2KH+8aZk0wDQx0J6lTzdhmosBQ==
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

2026-09-17T10:06:54.258158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077606
observed 6e6b1ce2dee7b8700507977fc3cedabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.239901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077606/manifest.json
observed a5d7db5ed55dbb3ff4d2e92dba0cd450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.219441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077606/publication.md
observed 09b7983f4017b35871f310891bcc077e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.201248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077606/publication.txt
observed a1fae9042279ca298da8832b93dc22c9...
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.