OpenTechnical

OT-2026-000023591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000023591) never changes.

Identity and time

Publication numberOT-2026-000023591 · never reused
Internal UUID01a0ae70-726a-7b22-a2d6-8f0d34fa68c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023591
StatusPUBLIC

Content hashes

Canonical text3a48cd4a9c566ee14f4aeccf1ad073dc2d498e94080abb7dd27834383bbbdbba
Markdownaf2049adcd1a636353d4077c8dfa1f2ef24bae276f81b9ffbef93a8ce86ba20b
PDF
Publication page9779ec69617d06f79d5fde0409f29767f74a03b4df527e88a54d38b1fc213db9
Manifestfef84d454c4301b97c19311a649520431083669f395508dcf285bc8aacdbf26b

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
SignaturejH7gF/ReZNq9cvVctM0iM4+tX4zSoN0gjtIxTZ/q85vQdi6Ul6tZjjojcJ+QsX1k/Yh8pGl20IRRDEvr4cUHDA==
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

2026-09-17T11:51:57.019201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023591
observed 9779ec69617d06f79d5fde0409f29767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.002965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023591/manifest.json
observed fef84d454c4301b97c19311a64952043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.984074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023591/publication.md
observed af2049adcd1a636353d4077c8dfa1f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.962556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023591/publication.txt
observed 3a48cd4a9c566ee14f4aeccf1ad073dc...
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.