OpenTechnical

OT-2026-000030144

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000030144) never changes.

Identity and time

Publication numberOT-2026-000030144 · never reused
Internal UUID01a0ae73-e4ff-7f72-971b-47d931e570fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030144
StatusPUBLIC

Content hashes

Canonical text6528579e91f2727fb78f31b3858144b3d25cd4aed86fffb8aaf2874ae0365df5
Markdown580579ab4ce05895f92666f2020f1367316b7d3b9ad4ff8eafe8ad25ce9bea26
PDF
Publication pagec7306ae959c6cfd9c116dc73ed43e273f0178ee43fe6ee97b1d27c82c60cf3e1
Manifestf9e58804a11df1926f735dc8691941ad71a88564bc410fc091ba21167ce69e2f

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
Signaturei7SdI8kEhndRyP68nKRfgMsVeHBhurElyzFCV9Twkb50RxEMt0nsUA5HcZSBledsJ40Xx3MCcGI5JfphJAuNCA==
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

2026-09-17T11:40:23.274192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144
observed c7306ae959c6cfd9c116dc73ed43e273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.254691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144/manifest.json
observed f9e58804a11df1926f735dc8691941ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.236669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144/publication.md
observed 580579ab4ce05895f92666f2020f1367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.213643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144/publication.txt
observed 6528579e91f2727fb78f31b3858144b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.228105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144
observed c7306ae959c6cfd9c116dc73ed43e273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.212096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144/manifest.json
observed f9e58804a11df1926f735dc8691941ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.195794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144/publication.md
observed 580579ab4ce05895f92666f2020f1367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.179730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030144/publication.txt
observed 6528579e91f2727fb78f31b3858144b3...
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.