OpenTechnical

OT-2026-000048027

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048027) never changes.

Identity and time

Publication numberOT-2026-000048027 · never reused
Internal UUID01a0ae7f-c423-7d93-a79c-622e570b45e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048027
StatusPUBLIC

Content hashes

Canonical text297db52ae6750518d45b565a9deef14da3b8443bf2956bf57906b30e02f0538e
Markdown8e166843e2d3e06a84fc9f84d69ffc30aeef5332012539314035e1fb4f67563e
PDF
Publication page8436ea1f11b2b988f370879b5de34d847c1bf6d67abd603bf6b4766bf999382c
Manifest63436e83f40152a757ea511099784d32810b8463cd7f911c3f5a0cd3e3b1445a

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/I8VhLXT1JZaagFIM2LJGVVFF7F0qMxM3q+8zM2TySmFkCJLX8mRoqbJRHF9GHzGvzLrapa35L6furOb8G3LCg==
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

2026-09-17T11:06:01.471438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048027
observed 8436ea1f11b2b988f370879b5de34d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.451478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048027/manifest.json
observed 63436e83f40152a757ea511099784d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.431767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048027/publication.md
observed 8e166843e2d3e06a84fc9f84d69ffc30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.412463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048027/publication.txt
observed 297db52ae6750518d45b565a9deef14d...
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.