OpenTechnical

OT-2026-000013338

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000013338) never changes.

Identity and time

Publication numberOT-2026-000013338 · never reused
Internal UUID01a0ae6d-6fc9-7ee4-9266-812c9bd11146 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013338
StatusPUBLIC

Content hashes

Canonical text9c551061406ca3e2e3156d6bb4bbeb9416d999c5a2af3ce5551ae2d529669556
Markdown6d519a6a6643f5837e18d33bd3cde34a06fc7c74fdc0bf8dfd8a15edad8dab42
PDF
Publication page4fc6872181a785b0fd66dad3c29100011d55fbd23d2ce99a83080e560855a233
Manifest08417ca9fe2811d2640acb0336dcae261d784c4899379319a7ab474c747e3da3

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
SignaturezZCqPxDxvn23xQ2F09tSEIUytpVQst8u8h55J3DY6f41wIdcLL8w7jEi8/CQqBZ9Uz3oeUU8YCVhdvxncW7OCw==
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

2026-09-17T12:09:46.853197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013338
observed 4fc6872181a785b0fd66dad3c2910001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.834769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013338/manifest.json
observed 08417ca9fe2811d2640acb0336dcae26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.815482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013338/publication.md
observed 6d519a6a6643f5837e18d33bd3cde34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.796544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013338/publication.txt
observed 9c551061406ca3e2e3156d6bb4bbeb94...
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.