OpenTechnical

OT-2026-000103044

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off 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-2026-000103044) never changes.

Identity and time

Publication numberOT-2026-000103044 · never reused
Internal UUID01a0aea4-be3d-76e0-9f07-2bb2552479fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103044
StatusPUBLIC

Content hashes

Canonical text908a28e08573404c4a975815607f1daa8fb5a6f178325b0e87963a5ec3005d3f
Markdown0ee63eb6195a9f56af96deae2e75352869de8c58e6ab33f59b44d690831f3368
PDF
Publication pagec416f817a10b20e769e336341655f67491a56f1f8cc6f76de95de4d2cc308dbe
Manifest2b78d8ceb4aec0633dde64cdf36cc0e4d19828be689649cd4b7d03c4c86bcae5

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
SignatureVSAtK657qY+y8LkHuduI+sY0iL97v0mElICOgsoIA/A/S5nHgTgRunRaKS/aCFL6PSUvn7Ls9foeo4vLSx5xAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:10.117500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103044
observed c416f817a10b20e769e336341655f674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.099830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103044/manifest.json
observed 2b78d8ceb4aec0633dde64cdf36cc0e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.082621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103044/publication.md
observed 0ee63eb6195a9f56af96deae2e753528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.064499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103044/publication.txt
observed 908a28e08573404c4a975815607f1daa...
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.