OpenTechnical

OT-2026-000061733

Publication integrity record

Four cup vacuum gripper, four 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-2026-000061733) never changes.

Identity and time

Publication numberOT-2026-000061733 · never reused
Internal UUID01a0ae8b-b8aa-7e0e-ae01-3625ad0b36a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061733
StatusPUBLIC

Content hashes

Canonical text0b47b770172bd621d385b764182befb2ab48b0d10e3f9f6e20b84345feb37183
Markdown8b06b162424795f16d8341b0177a14145412aeb477d733aa1b2b9f2ddff721a7
PDF
Publication page92b4f8e1384dfa1740526a7cd7cba322ee4060d4a3f55df70b5ffb4fd7edc9b6
Manifest09f70e70769c678c3fc5e0eb4649ff9a3d8abab060590bdebba5968202fcff9b

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
SignatureebO9VbAlz+O0PQ5L3IuZ8CawEeUmqbAUPSE0tGrEFPvMBZ6HIXNAsDccFb9386v06PZ+OCAoqzeGhXEITPckCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:19.039074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061733
observed 92b4f8e1384dfa1740526a7cd7cba322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:19.000716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061733/manifest.json
observed 09f70e70769c678c3fc5e0eb4649ff9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.977230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061733/publication.md
observed 8b06b162424795f16d8341b0177a1414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.955623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061733/publication.txt
observed 0b47b770172bd621d385b764182befb2...
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.