OpenTechnical

OT-2026-000061524

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000061524) never changes.

Identity and time

Publication numberOT-2026-000061524 · never reused
Internal UUID01a0ae8b-7b44-7e3a-a698-8f11faf12acb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061524
StatusPUBLIC

Content hashes

Canonical text8944bfba88872b187f3ed67dd248c745f6af009957fcd8cec672a40ad3a9e58b
Markdownbf195918212835cfe0836623f28943082130a7e19a07c1350c14bc691c0ec0ee
PDF
Publication pageac3a501de0925ff1a692ee55350af10c410861e2ca42332c2fc724da69bf9f84
Manifestf3d7dd3c4a88f9ce0e529e7e94de4672a945ff7f85de7b40fb6984ba81576cbd

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
SignatureKotjdgWrVLajx4jb81/14ZJEJ9TtO840gzjdT2z7Yz1M5xPT9l8QBCSfEC/mRnIqy4fmEf66Qy0r3Sc9J9BVCA==
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

2026-09-17T10:41:25.717478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061524
observed ac3a501de0925ff1a692ee55350af10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.700184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061524/manifest.json
observed f3d7dd3c4a88f9ce0e529e7e94de4672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.684023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061524/publication.md
observed bf195918212835cfe0836623f2894308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.669153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061524/publication.txt
observed 8944bfba88872b187f3ed67dd248c745...
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.