OpenTechnical

OT-2026-000026661

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026661) never changes.

Identity and time

Publication numberOT-2026-000026661 · never reused
Internal UUID01a0ae71-f4aa-761e-949d-a5e97902154a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026661
StatusPUBLIC

Content hashes

Canonical texte8500c9df31d58628707f06cb885bd077a6515c89aed4a5a12ee1cc1adfd6945
Markdownc88f97b3db7a729064a483c8dbe9e48423237e4160ab9ef2be16f7fc79608311
PDF
Publication page886724f35a709106b4375b5a23a85d0a2bf035bf0bc2bb5397d6dc9deb9ce513
Manifestc97a9f47cb7c8a79f686fbb716cfff0573ec75fc32fde84d2b2127a67a7f0d2e

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
Signature/x0eKMWOHP80F2VASfKErWmWBx4YnEQzioMt3Llwvv1xHsr6MSVjMCGVfCU/w/yVw9QGz6Jqw/D6EQcXB6kyBw==
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

2026-09-17T11:45:44.632196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026661
observed 886724f35a709106b4375b5a23a85d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.615362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026661/manifest.json
observed c97a9f47cb7c8a79f686fbb716cfff05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.597783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026661/publication.md
observed c88f97b3db7a729064a483c8dbe9e484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.580192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026661/publication.txt
observed e8500c9df31d58628707f06cb885bd07...
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.