OpenTechnical

OT-2026-000042604

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000042604) never changes.

Identity and time

Publication numberOT-2026-000042604 · never reused
Internal UUID01a0ae7a-c0ce-784d-b710-d000c2b08116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042604
StatusPUBLIC

Content hashes

Canonical textb24d61908cec65abe96cfe94a7e4656cb46f932b6a90dfd02f894cc212bf31e7
Markdown9c734f1058e89c63d41c2acc7d4d1f4fb020aad0ce4a80e2bcbc33353505a6d1
PDF
Publication page0c1e83a444c44b3c5473c77ad7997287bad614f52273cb45d7524732c0024f3c
Manifest2fcafcb13507a408e789559215fd0346a8a3ddb89e35ee6e0bf61f30fc876662

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
Signature/ImpJ66akg7y08/u2AN5xuaIS/CkYafNBj7Y4azLUqX7hJkxLcfOT1SIfOCP0KPTEzlAl1CiHIYyhLpE7VGHDQ==
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

2026-09-17T11:14:19.802056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042604
observed 0c1e83a444c44b3c5473c77ad7997287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.782739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042604/manifest.json
observed 2fcafcb13507a408e789559215fd0346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.764710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042604/publication.md
observed 9c734f1058e89c63d41c2acc7d4d1f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.746222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042604/publication.txt
observed b24d61908cec65abe96cfe94a7e4656c...
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.