OpenTechnical

OT-2026-000018133

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018133) never changes.

Identity and time

Publication numberOT-2026-000018133 · never reused
Internal UUID01a0ae6e-b487-73a5-a571-78d393f93276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018133
StatusPUBLIC

Content hashes

Canonical text5573908425b1a9fe6cf7d4aa5250711eba14c7f4252d040381acd60dfc02b3bc
Markdown8e046a360ec41d69061c50f1d81b304b2cbabc8b247179c7663b91a5819df4a3
PDF
Publication page6ed5cb13eef771b8368e88815d2fb4365bf0cee160ab5c365092914da4d51624
Manifest399c4de093c4054d6345031b27a652e1029bb0e39758cd9af82127c22ca132c5

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
SignatureY8hclMSt8JLwEaw2HZi1AP6ClNuTT2eEbK3MxSABrWZ7ZeziDkWyTgm0QhtXVUEQCcnxGewXtaR1b+Z3k+OrDg==
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

2026-09-17T11:59:52.554715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018133
observed 6ed5cb13eef771b8368e88815d2fb436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.537467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018133/manifest.json
observed 399c4de093c4054d6345031b27a652e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.518547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018133/publication.md
observed 8e046a360ec41d69061c50f1d81b304b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.501901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018133/publication.txt
observed 5573908425b1a9fe6cf7d4aa5250711e...
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.