OpenTechnical

OT-2026-000031187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000031187) never changes.

Identity and time

Publication numberOT-2026-000031187 · never reused
Internal UUID01a0ae74-87ab-78f2-9488-5c40845d0183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031187
StatusPUBLIC

Content hashes

Canonical text6ff95daa448488ac7b80c6b66facd2649f94978e43f1012f1fcc90e619a9c2a7
Markdown79a9c527af15fe51dc869e6d653c808c95351d3d1ec623c3205dbdec1d32ad11
PDF
Publication page5ed26ec2f0d92fa85519cf8ab9c68790a95069d9f201bdc12b0603ec97041835
Manifesteae57d9a1ef39fa19a2f4053e7382c2838fc3f97ef50245109233bf0015d649a

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
Signature9aDdiUFmRx45TrWCYvZ6LMV1c/e5L2Phy7IK+jeRqZXStMdNGu4krsmzfPKtRMKjlSMRNpWSjg0hmX4Jd5eTCw==
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

2026-09-17T11:35:44.626918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031187
observed 5ed26ec2f0d92fa85519cf8ab9c68790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.608242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031187/manifest.json
observed eae57d9a1ef39fa19a2f4053e7382c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.590822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031187/publication.md
observed 79a9c527af15fe51dc869e6d653c808c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.572711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031187/publication.txt
observed 6ff95daa448488ac7b80c6b66facd264...
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.