OpenTechnical

OT-2026-000027045

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027045) never changes.

Identity and time

Publication numberOT-2026-000027045 · never reused
Internal UUID01a0ae72-3453-7af2-9d53-88dca82a3921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027045
StatusPUBLIC

Content hashes

Canonical texte24045101049223d04632e87cad1ac9ed410523e57830a77539d9e916a452eaf
Markdown27a4ee6fa3afa28de12943b81f7f15c2cade0b2a48895689acfe6d2026b3dec1
PDF
Publication page0517830d9a3c551b23ff140aeba53a601a19ffe4e2d146efcda294015aaf4d07
Manifest5d43cb0afa8287cdd33dbe1737906daaf8a2400bb9a6654fe22ae0921d64f344

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
Signature4SQwYKQ6LBy0w0pz7TEc5NIjQNIRKqC1/mdvm/ha0loOTVjsEkzWWY1XBkhY/iYi9G1Fz+fkzoho3vO0p9iEDA==
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

2026-09-17T11:43:48.076909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027045
observed 0517830d9a3c551b23ff140aeba53a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.061488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027045/manifest.json
observed 5d43cb0afa8287cdd33dbe1737906daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.046998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027045/publication.md
observed 27a4ee6fa3afa28de12943b81f7f15c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.028746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027045/publication.txt
observed e24045101049223d04632e87cad1ac9e...
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.