OpenTechnical

OT-2026-000022885

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000022885) never changes.

Identity and time

Publication numberOT-2026-000022885 · never reused
Internal UUID01a0ae70-46eb-7cd0-845e-b0c301fb3253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022885
StatusPUBLIC

Content hashes

Canonical textd08e10f575b7b2d46bcda0f5d427b7b155d59b74e2db6f54f3804ab3e1571a6e
Markdownffa0c6a615047443f88838fba1dea3ce162c26dcce8f1dcf9770155688f4ade8
PDF
Publication page5922f069e2a8b44d1d36c48c72e12d2363d5122a36c9985f0b79f92c2e9fdef7
Manifest2349ffa7354dfe442ecd9bb67560d69d5553bad13211409e9ba606010ccbd7ba

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
Signaturer/J5YhwpXNUkVfxt1hUHQn+RV+8E47z311X+19GtZZbWL8B6tBIMhk6zSgSHRMKcdYpeyC6NBDATiVofDG58Aw==
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

2026-09-17T11:52:27.248664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022885
observed 5922f069e2a8b44d1d36c48c72e12d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.229225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022885/manifest.json
observed 2349ffa7354dfe442ecd9bb67560d69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.211866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022885/publication.md
observed ffa0c6a615047443f88838fba1dea3ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.193997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022885/publication.txt
observed d08e10f575b7b2d46bcda0f5d427b7b1...
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.