OpenTechnical

OT-2026-000050469

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000050469) never changes.

Identity and time

Publication numberOT-2026-000050469 · never reused
Internal UUID01a0ae82-5c48-7f73-941b-7830aaf9fba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050469
StatusPUBLIC

Content hashes

Canonical text7b5700420b50fd15eedd41a729b08572fa4bed25e7ab10fbcdc5ec432de0e2fd
Markdown137b9c3ed70097cefd280941efe97bf77d2f2e546917c832e41519191b898bfb
PDF
Publication pageecf222adbc076f638bd87390545eedf38843e6296f79b53176530ee48a56ea19
Manifestdeeeb11ec2fd5022c4c2fa874785101ed08c94c0236c21c498e3f605d91c5664

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
Signature+jcexAV+0xijIsyWnIAxwd9bjatcG+AcXb3JRhg34HKHSJMaf0QtkfUA2UPwuqwNC5wQv3Lo6WWx3JA/cAQICw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:31.278744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050469
observed ecf222adbc076f638bd87390545eedf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.262072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050469/manifest.json
observed deeeb11ec2fd5022c4c2fa874785101e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.245342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050469/publication.md
observed 137b9c3ed70097cefd280941efe97bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.228984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050469/publication.txt
observed 7b5700420b50fd15eedd41a729b08572...
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.