OpenTechnical

OT-2026-000048861

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000048861) never changes.

Identity and time

Publication numberOT-2026-000048861 · never reused
Internal UUID01a0ae81-134a-7241-b8b2-17fb9321d645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048861
StatusPUBLIC

Content hashes

Canonical text75103aa26b015708fee856a0177393de4d85650ea607f34963aaea4e8245391d
Markdown78638d4d5e4d32762e79a70ccaa256e4ecce66b795085d8c3f3412787d122ed2
PDF
Publication page77747967bc83a9ae58189404ada99af7bca8711922577eb465b6879ede4fb891
Manifest83164d66ab5363e95f6cd923da91654327724439054f3a5b00b0ee09071d3b54

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
SignatureirLw1rxR7wYyGhj6rtHwq/T2tsTh54UrnssaUFHqlzhcqHaG7JMOEMk03Ko1SQcpCxzjBX+uANX4GygjVl90Bw==
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

2026-09-17T11:03:00.663706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048861
observed 77747967bc83a9ae58189404ada99af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.645618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048861/manifest.json
observed 83164d66ab5363e95f6cd923da916543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.626184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048861/publication.md
observed 78638d4d5e4d32762e79a70ccaa256e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.606657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048861/publication.txt
observed 75103aa26b015708fee856a0177393de...
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.