OpenTechnical

OT-2026-000019595

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000019595) never changes.

Identity and time

Publication numberOT-2026-000019595 · never reused
Internal UUID01a0ae6e-f394-76ad-9715-4cf76526fc67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019595
StatusPUBLIC

Content hashes

Canonical texte65331dcd189d10ca9da7c030fecc8ff835b370dc2f036d270f2b96d74c8665a
Markdown4c67d89c67ac8e1d6a50867d476b0dc7eada295142d8e987359c6fb60dbd831c
PDF
Publication page422d4aac299f01f480ad95a9af1207a228a959311a7af042e47ff0da678190f8
Manifest70335844e7bbba8d68fba1a4298fba1c859d3d5b7e2612ece6e927169fde2f1e

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
SignaturegWLB8GKyjArfAJPmMk1a+O82OrK+WJarDba7xufEKkkMJnSkCd3shQauKt60H1f89bAetPN9FX7Q26SeSGWjAw==
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

2026-09-17T11:59:02.835463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019595
observed 422d4aac299f01f480ad95a9af1207a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.818497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019595/manifest.json
observed 70335844e7bbba8d68fba1a4298fba1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.799092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019595/publication.md
observed 4c67d89c67ac8e1d6a50867d476b0dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.780640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019595/publication.txt
observed e65331dcd189d10ca9da7c030fecc8ff...
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.