OpenTechnical

OT-2026-000049205

Publication integrity record

Six cup vacuum gripper, six 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-2026-000049205) never changes.

Identity and time

Publication numberOT-2026-000049205 · never reused
Internal UUID01a0ae81-134f-79e8-af61-0ce33fe6b5ed · 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-2026-000049205
StatusPUBLIC

Content hashes

Canonical textb183172cb6e0eedbd69d3ade44f7cca9f148f25103e16de2cab72b53a0e76a47
Markdown992c13a40fc96f33df7fe75bb407a667bb675ed69c95b09923398d513ebf40b9
PDF
Publication page0bf0019442de96d59ca64bc0a382eb95b3e42400e0d8aa66bde9c8c89694e168
Manifestf58b627a2895caf06b3ec63490f9c77ae5a91bbb208a38c68d5efe23da391155

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
SignaturetxS5kHQdt97YrLHI2yEx8C9GFTahkHwMQWo3eCwpgrdFDT/n70WOWBQxFJGQ4HxSuhctieQ6ZwwHaJpQT09zBA==
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

2026-09-17T11:04:01.179866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049205
observed 0bf0019442de96d59ca64bc0a382eb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.162285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049205/manifest.json
observed f58b627a2895caf06b3ec63490f9c77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.142729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049205/publication.md
observed 992c13a40fc96f33df7fe75bb407a667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.125008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049205/publication.txt
observed b183172cb6e0eedbd69d3ade44f7cca9...
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.