OpenTechnical

OT-2026-000039885

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039885) never changes.

Identity and time

Publication numberOT-2026-000039885 · never reused
Internal UUID01a0ae78-d8d6-7615-81c5-0775cd17dc03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039885
StatusPUBLIC

Content hashes

Canonical textbb14e91247fc08d763f1875eca7a4dc00d65f0c1bbc4df56cf5c8e0b4e1ca586
Markdown0bdbf87b1c405c265fd21f0577cb5c919f220f98d20ec56bc9efbec68b000f24
PDF
Publication pagef157bc1e81ae4596a07c5e4ff91182cdea7714a9fb2a9d10fd08c43ade1a68c5
Manifeste535a2b31aaae0607ca9345fa9aa6075a67ee1d9758608812e4578a1ed6d5ffb

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
SignatureYtIhVQqvcX3U49d71bOaJlqwAys6T2Q76h2XZFAB2qG2w3vKsS+T6G8VOSxaDbM738sKFSRMTmRsgFo8nKbuAg==
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

2026-09-17T11:20:10.216788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039885
observed f157bc1e81ae4596a07c5e4ff91182cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.199011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039885/manifest.json
observed e535a2b31aaae0607ca9345fa9aa6075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.180954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039885/publication.md
observed 0bdbf87b1c405c265fd21f0577cb5c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.163607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039885/publication.txt
observed bb14e91247fc08d763f1875eca7a4dc0...
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.