OpenTechnical

OT-2026-000023528

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000023528) never changes.

Identity and time

Publication numberOT-2026-000023528 · never reused
Internal UUID01a0ae70-7269-7837-a589-073a3f3737c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023528
StatusPUBLIC

Content hashes

Canonical texte32fe6bce38b0e963525efac694d872aea012daf1d9292c330a24322d21a400b
Markdownc79a279085aca9aaaacbb41eaa8070a004c35bb020c6046835e95565a94230dd
PDF
Publication page2b9ea9609d92330fb20e5c534d6f3e4158f2367fe534d239f039175104b1bc57
Manifest5e755908b08e53aa9fd7083fab560a632d504d53faedeb8f65ff6ad61b4d9855

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
SignatureW/tM4AqvOxOmnHOErQYtl87D1k0m1mDMk5D4NTwUhioQZlVhLYrHxPCKYpDFAPuSDXwMeb43eWAI3DL0TxjKAg==
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

2026-09-17T11:51:46.321197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023528
observed 2b9ea9609d92330fb20e5c534d6f3e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.303948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023528/manifest.json
observed 5e755908b08e53aa9fd7083fab560a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.284879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023528/publication.md
observed c79a279085aca9aaaacbb41eaa8070a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.267717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023528/publication.txt
observed e32fe6bce38b0e963525efac694d872a...
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.