OpenTechnical

OT-2026-000018505

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000018505) never changes.

Identity and time

Publication numberOT-2026-000018505 · never reused
Internal UUID01a0ae6e-b48a-7a10-a87a-c52f98eb946a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018505
StatusPUBLIC

Content hashes

Canonical text4d78069e399bf5117fbe828f941122515c7519e42754c983e32bfa58ae128e5c
Markdownb571da06c6b9d5ef097e697739576a4962716ee6cdd777d9f346c0ced946206d
PDF
Publication page5bda435dc2a7c4ec27ec3a8e3722fd9a7df3fbb948fc3a4817ba35470eb80216
Manifest001d756827703302d54992f4453d7426e84763391e97f64855d8920142abcea3

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
SignaturePTaN+Ambz6l5xIeLhtVJw2bftDGwKpBDl3tRqbIRLI5JlOL6nAZPbgFnxL4KWa64duAXLT0rBxAIlFDOpK0TBw==
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

2026-09-17T11:59:49.862034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018505
observed 5bda435dc2a7c4ec27ec3a8e3722fd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.842546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018505/manifest.json
observed 001d756827703302d54992f4453d7426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.823114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018505/publication.md
observed b571da06c6b9d5ef097e697739576a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.804251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018505/publication.txt
observed 4d78069e399bf5117fbe828f94112251...
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.