OpenTechnical

OT-2026-000088283

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000088283) never changes.

Identity and time

Publication numberOT-2026-000088283 · never reused
Internal UUID01a0ae9b-5d26-7be6-bb91-3bac4f310f3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088283
StatusPUBLIC

Content hashes

Canonical text530a1b516bbb5790cf8f56355472efa8004ffa766fbdb47600823126921338e8
Markdown8bf1bea1c937d85073e57415fe97ce4309e947dc1745aa765757a7af196964bf
PDF
Publication page6f9ea2d7619dac52609fe4b5166166fea0f92b94e54c185dc97765c4d328a0d9
Manifest14b484b0575e4262fec90e9d0fb4b95779f2b3863321cb4819c6f116de8165fb

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
SignatureeQ+3hRnTCfbQqx8xIfwFLOP3ZdO4K0YST6MxBj/A8yP+LQgY+GVbbpPVf2Cj3TOdn5qxWP9l3yD6WX3rIFd5Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:36.779530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088283
observed 6f9ea2d7619dac52609fe4b5166166fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.762451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088283/manifest.json
observed 14b484b0575e4262fec90e9d0fb4b957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.744926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088283/publication.md
observed 8bf1bea1c937d85073e57415fe97ce43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.728259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088283/publication.txt
observed 530a1b516bbb5790cf8f56355472efa8...
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.