OpenTechnical

OT-2026-000018944

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000018944) never changes.

Identity and time

Publication numberOT-2026-000018944 · never reused
Internal UUID01a0ae6e-d522-764e-9d5e-ecda86ce7a5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018944
StatusPUBLIC

Content hashes

Canonical text64aca32dce6741dbf032694d6bfc6e65ed8ef3871380005c069ed7f2b27fdeff
Markdownaf2023ffe17ac9a7f12636c180829aceb1aa40f8350531cae4a9ea0c7ed1c3e5
PDF
Publication pagefad9a73cd181a8338f9fc81c055f3b699782f887804b06c556907e0df06793bd
Manifeste06abf2fbc540ff1eec5efb1df1aa562fe0cb4e4f7d1125287e0c8343f1c39d6

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
SignatureD3Rx1+D9F8tz7iV8pVhlzTXWKFaYWk7YyEc69hcqVPmz6PXBQbfe1dKpTFFe0IGLFMbKrRltwPvWd7UeBf4ZBQ==
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

2026-09-17T11:59:36.755860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018944
observed fad9a73cd181a8338f9fc81c055f3b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.737608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018944/manifest.json
observed e06abf2fbc540ff1eec5efb1df1aa562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.717225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018944/publication.md
observed af2023ffe17ac9a7f12636c180829ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.699381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018944/publication.txt
observed 64aca32dce6741dbf032694d6bfc6e65...
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.