OpenTechnical

OT-2026-000098552

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000098552) never changes.

Identity and time

Publication numberOT-2026-000098552 · never reused
Internal UUID01a0aea1-e966-74f4-8913-a90aca53aa57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098552
StatusPUBLIC

Content hashes

Canonical text1eab6a346ee19be15f6d05c2911491302d7f2a393829af325769b9cc7569e86c
Markdown4ef11693e9741627a4e9008692c688a173aba23dd27c0c09ab6bc23e933eb8bf
PDF
Publication pagefb2ec555c8b0e8bbe538c03187c933141a15e31f00b2b0e9575b1b9d5dff135e
Manifestfe2b8e42dd2a2e12aa64e7dda9c5244473048ab82e6158f68164676c61b20623

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
SignaturecKLDI5zwdqu53KodkbwQCAyN6a+qwrgonYjirh4LDCCDqDFC2HBEWtGwcxqJVkhcJTc/IlJuOdwBcpuFwNo9AA==
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

2026-09-17T09:32:26.156638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098552
observed fb2ec555c8b0e8bbe538c03187c93314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.140225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098552/manifest.json
observed fe2b8e42dd2a2e12aa64e7dda9c52444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.122296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098552/publication.md
observed 4ef11693e9741627a4e9008692c688a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.103081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098552/publication.txt
observed 1eab6a346ee19be15f6d05c291149130...
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.