OpenTechnical

OT-2026-000031417

Publication integrity record

Two cup vacuum gripper, two 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-2026-000031417) never changes.

Identity and time

Publication numberOT-2026-000031417 · never reused
Internal UUID01a0ae74-87ad-7f08-82ff-98dd20d9d2dd · 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-2026-000031417
StatusPUBLIC

Content hashes

Canonical text9b4edfc80b95371464c1614476aac8b5ee53181a43c1958e14645b8fb345bb20
Markdown26ed8640c8faa86cdd8f22035cfa203c5b178cf2e93b60dd969c10941b93e791
PDF
Publication pagedc9e0b58f459e07adacd476be4ae314636bc2f841cbc718f352c3ae942d24d9f
Manifest3bf1d93c37e826a5361ab03baee9af6fa67de1ba7923e1f7d90a4a39801f811c

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
SignatureZRniJw4LrhY1hEH+O4CyiPp4d1b4i7Finj4ECmM6CIHKhhjgBXTGrQ6eG64BtGImw2dwtQge1OIic4ClHhjuCA==
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

2026-09-17T11:36:08.042521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031417
observed dc9e0b58f459e07adacd476be4ae3146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.023406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031417/manifest.json
observed 3bf1d93c37e826a5361ab03baee9af6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.005595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031417/publication.md
observed 26ed8640c8faa86cdd8f22035cfa203c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.988665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031417/publication.txt
observed 9b4edfc80b95371464c1614476aac8b5...
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.