OpenTechnical

OT-2026-000103459

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed blow-off after set-down

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-2026-000103459) never changes.

Identity and time

Publication numberOT-2026-000103459 · never reused
Internal UUID01a0aea4-e460-779e-a762-12e9768a12c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103459
StatusPUBLIC

Content hashes

Canonical textb8d02fbd68de8aa52b2109284bd51e9c95a8385c19366a12fdd9a7cc4f7c3a96
Markdown4ed1d81e21724470add32fb43d02bf0df6a7c93a51c26fe34959ccc1fe606fce
PDF
Publication pagefd175296d8604e147e985db9a3d56d24ad3d5fd98a2f70b4f5e862a83f65a80a
Manifestc527949acd3e435980e6cea710aa85af731d67aa4201bd8d0fc99c94719602a6

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
SignatureHsZnoOWF84PZTp92eDPaNOteNyYGYczdyW6dbPhMLlxBR48kupt7b0EJGUcBd0hEH+eDB1BcNr/c/jtlDoijDA==
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

2026-09-17T09:22:12.957498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103459
observed fd175296d8604e147e985db9a3d56d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.940181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103459/manifest.json
observed c527949acd3e435980e6cea710aa85af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.922323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103459/publication.md
observed 4ed1d81e21724470add32fb43d02bf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.904911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103459/publication.txt
observed b8d02fbd68de8aa52b2109284bd51e9c...
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.