OpenTechnical

OT-2026-000019134

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000019134) never changes.

Identity and time

Publication numberOT-2026-000019134 · never reused
Internal UUID01a0ae6e-f391-7952-b767-9cb719120a54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019134
StatusPUBLIC

Content hashes

Canonical text7905f11b9c9ea6c09ce1e9e9ec2f21b9cdd3569698ce03879763cbc951a1554c
Markdown6169e272f94f47deef1caa088140011318d791b030a0b7410976142f70aa4657
PDF
Publication page9ea136a836a7b5744badef687c912e98bef70d815228873994a0e9937d475052
Manifestdcd6a0c289f2d6b255343be8f51242612b41ec5d9249cab1e057ade7f9b3cace

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
SignatureZ1sfACU+OZPUiC0m79o1p37ibdP+CVBYWoYVCiXm/jwAPCmkE/kIge+Yqeb3u4LBJ12I5f0svzoPXESyQKX3Bg==
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

2026-09-17T11:58:25.858160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019134
observed 9ea136a836a7b5744badef687c912e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.841290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019134/manifest.json
observed dcd6a0c289f2d6b255343be8f5124261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.824008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019134/publication.md
observed 6169e272f94f47deef1caa0881400113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.805397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019134/publication.txt
observed 7905f11b9c9ea6c09ce1e9e9ec2f21b9...
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.