OpenTechnical

OT-2026-000027877

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027877) never changes.

Identity and time

Publication numberOT-2026-000027877 · never reused
Internal UUID01a0ae72-a4a5-7ecd-bc3a-119a82ca3c00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027877
StatusPUBLIC

Content hashes

Canonical text61a24a2079cae536274054b5044e4e77ceaf8bff32fc2f4816a41af5513daad6
Markdownd2c6dd0c1c256b248862b2594a6512421994e07f6b478623335b4b750cb502ed
PDF
Publication page26da765b57199a7b81787f8f43646461ba3696a5688da2f7f3f39acf206084ea
Manifest121b8d6d18a608c6ea1120e820a26c0c1477659f2a88f30bca568f3ccceae591

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
Signature7JQTu/9Hj2yUVuXf4q8tVTOSa2GoS1eBpbvrdO0ANgc5N699i2wqhexiK8N5CuDPcps1SiNm8BbClk2317OcBw==
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

2026-09-17T11:42:02.250422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027877
observed 26da765b57199a7b81787f8f43646461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.232138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027877/manifest.json
observed 121b8d6d18a608c6ea1120e820a26c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.213141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027877/publication.md
observed d2c6dd0c1c256b248862b2594a651242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.193680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027877/publication.txt
observed 61a24a2079cae536274054b5044e4e77...
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.