OpenTechnical

OT-2026-000050168

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000050168) never changes.

Identity and time

Publication numberOT-2026-000050168 · never reused
Internal UUID01a0ae82-5c45-7e79-8b82-9ebedf35e7ae · 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-2026-000050168
StatusPUBLIC

Content hashes

Canonical text66c21d30256cb99ccc15339e6b55ffb22e577023ec30c98df6dff2d3d757f960
Markdown1570e26f51605f6805ccadd865a3464567d94572eeb785ca17e0a627677a28ee
PDF
Publication pageb4fdc8de3489568e60a0313ce443cc8b98049ca93d7cf50ec42d8f84e0301072
Manifest50d16eece9dba9afc1d5b77fae44d621a2ec2166abfd40cce2d2b06f3ea7b384

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
Signaturek3BfGh4uZdOKsX3q1vVuMckc9zEiAAR2+usXc+CKQnnRJ7SYdhKszFa2SkgWP59s6lcZvmYj7tKB1yxvjSCpDA==
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

2026-09-17T11:01:08.809694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050168
observed b4fdc8de3489568e60a0313ce443cc8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.791494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050168/manifest.json
observed 50d16eece9dba9afc1d5b77fae44d621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.772947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050168/publication.md
observed 1570e26f51605f6805ccadd865a34645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.756294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050168/publication.txt
observed 66c21d30256cb99ccc15339e6b55ffb2...
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.