OpenTechnical

OT-2026-000082870

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000082870) never changes.

Identity and time

Publication numberOT-2026-000082870 · never reused
Internal UUID01a0ae97-8cca-7c13-8dce-0db1be29b07a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082870
StatusPUBLIC

Content hashes

Canonical textae78c3e069bdda27d2ebf4e468c634ce9dc6ffd50cc46d3aace0a60d5db7a682
Markdown8c7bf9864a97780ccec876c23749d0dd1694327af307785951d1524be8cdd33d
PDF
Publication page611da398e58dea7ff73fe865e3a7dc35ecaf6f98fc6ea4a2050fc84054494593
Manifest55270a755bfb6fbd747b2f0d52a7e9c7ed01907220680753c36ada1a6e5c808f

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
SignatureJIwi/hSlLeBXkdAQCKz7t1H5RmCyV95ZEPsmka8uw+NMdQC9r9XkinrT++eUq65m2j1xKkkvkj9k9/B51T1HAA==
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

2026-09-17T09:58:33.102135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082870
observed 611da398e58dea7ff73fe865e3a7dc35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.085312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082870/manifest.json
observed 55270a755bfb6fbd747b2f0d52a7e9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.068484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082870/publication.md
observed 8c7bf9864a97780ccec876c23749d0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.051774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082870/publication.txt
observed ae78c3e069bdda27d2ebf4e468c634ce...
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.