OpenTechnical

OT-2026-000032315

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000032315) never changes.

Identity and time

Publication numberOT-2026-000032315 · never reused
Internal UUID01a0ae75-106d-7410-b930-6df3e485db38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032315
StatusPUBLIC

Content hashes

Canonical text5646f93d7305d66311ef18edfd49dc59a663102bbf3677586940a1ae4be5e1fb
Markdowna99503ad29a21b8ae73ac20c45cca2a588a80f968c269e04291600c57afbaf62
PDF
Publication pageb87be1f6a9ed3ccf2113d9259a04b3f1c1c1c771529b001c49080df6d6ec611c
Manifest36b04783318e2206050b75301c371ba557d64f71dcfc1e98caf0f7bf52d0482d

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
SignatureVfc84sQPie5bA8MyY6SfbQ+KHxKG+i60AaO7bWwA0CKvtfAv8WT353OIMYZnNZkBm62IscmsvU/iF0Rk3xGRDQ==
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

2026-09-17T11:33:09.050397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032315
observed b87be1f6a9ed3ccf2113d9259a04b3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.032036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032315/manifest.json
observed 36b04783318e2206050b75301c371ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.015235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032315/publication.md
observed a99503ad29a21b8ae73ac20c45cca2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.996584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032315/publication.txt
observed 5646f93d7305d66311ef18edfd49dc59...
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.