OpenTechnical

OT-2026-000023915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000023915) never changes.

Identity and time

Publication numberOT-2026-000023915 · never reused
Internal UUID01a0ae70-aed6-7633-b52d-c4bc31ca9b58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023915
StatusPUBLIC

Content hashes

Canonical textfbe250bb86bcfc0f5b5efe3c9a6ba2559233f41214c9469efff5e0a4feaee540
Markdown7fb608c797e43b83543e5ba8689863a42557c559bceb7ad171291c69438ea87c
PDF
Publication page5bab67557fd1fd338152c780a772a0ad27551cc676145eaae1f1d3daa3dd9331
Manifestfff6460b91136ef5493fa10e62104a4531dca9d8d41ec1e5f9663d26b002f6d6

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
SignatureTgRYO+0lch9ly5ZWOfwC5iG9xACJxmnvJ2evJRyipTgpdMEATJbAuzgAEcm2J1ICiWLM1EHjA/Df8kWeEhkwBA==
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

2026-09-17T11:50:32.168979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023915
observed 5bab67557fd1fd338152c780a772a0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.144695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023915/manifest.json
observed fff6460b91136ef5493fa10e62104a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.115027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023915/publication.md
observed 7fb608c797e43b83543e5ba8689863a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.085714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023915/publication.txt
observed fbe250bb86bcfc0f5b5efe3c9a6ba255...
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.