OpenTechnical

OT-2026-000077344

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000077344) never changes.

Identity and time

Publication numberOT-2026-000077344 · never reused
Internal UUID01a0ae94-f509-7c71-882f-e4c20abb30c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077344
StatusPUBLIC

Content hashes

Canonical text87e6e31f8133bfc825417f42a9c22f7d40e415977f8d0339eda2f6e2db785db2
Markdown483695833bb31e882bba2913724357afb7c257b9fa20c460a442e84bce50a7fc
PDF
Publication page38be3addb8945c552bf48e96128e35ca643336533ff9bda594b526f3f90f83b4
Manifest975c088825558b7119c883beb0059e85b1c96d7fdee5d22791b0efa8bff6f0dc

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
SignatureEc07DiLaTZkrm+vUvbxRrXxBSKQzGYmN3m6CBGwsBQ+OgYKbtfjr5LWn12io1bae+zSgdEgc8cbnr8GJRSgFBw==
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

2026-09-17T10:11:01.739164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344
observed 38be3addb8945c552bf48e96128e35ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:01.718078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344/manifest.json
observed 975c088825558b7119c883beb0059e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:01.697999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344/publication.md
observed 483695833bb31e882bba2913724357af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:01.250376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344/publication.txt
observed 87e6e31f8133bfc825417f42a9c22f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.148550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344
observed 38be3addb8945c552bf48e96128e35ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.130240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344/manifest.json
observed 975c088825558b7119c883beb0059e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.109962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344/publication.md
observed 483695833bb31e882bba2913724357af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.031633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077344/publication.txt
observed 87e6e31f8133bfc825417f42a9c22f7d...
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.