OpenTechnical

OT-2026-000018984

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000018984) never changes.

Identity and time

Publication numberOT-2026-000018984 · never reused
Internal UUID01a0ae6e-d522-7b6a-8237-ccea31aaaa02 · 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-2026-000018984
StatusPUBLIC

Content hashes

Canonical text5af986d79c6dbe4243c635087072992675a5124cb1a90f63ef58b37268dfbd4b
Markdown91b9e6aaa769c18375a4882c4f956db95b9e1129276fe7144866a551a5cd5cac
PDF
Publication page39614f3b39141dd02d2b70afc3904c942a95ab2536c60ca032994e94e7b19094
Manifest3e9203efbdf3348ecf81dcf2a1bed3c8692a7e078e07f33d87d4a36b321956f5

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
SignaturekTWJWKSokWPt+BDIu4td5b3DBv8nNLn4YjfrEel3vgCraZqRHJwPsEAMnpCq1Bqwva6m2iDwSw3JJjxDSgVLDg==
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

2026-09-17T11:59:39.804178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018984
observed 39614f3b39141dd02d2b70afc3904c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.786703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018984/manifest.json
observed 3e9203efbdf3348ecf81dcf2a1bed3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.765994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018984/publication.md
observed 91b9e6aaa769c18375a4882c4f956db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.746664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018984/publication.txt
observed 5af986d79c6dbe4243c6350870729926...
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.