OpenTechnical

OT-2026-000052795

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000052795) never changes.

Identity and time

Publication numberOT-2026-000052795 · never reused
Internal UUID01a0ae84-a42e-717f-8b07-f50080cf1fcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052795
StatusPUBLIC

Content hashes

Canonical textdf042f44e91744f875ef0305df1fd71833cfc8170d305cab8f7165a477ca9386
Markdown3b0d7fac40407c1f19e00fa3e0a90e5d67e57489ea4f4407bf760b82a6acb123
PDF
Publication page87552c72c1c03636573d0f862dfa9681718d3f5ce5400cb76eb35eb95b50929c
Manifest50d75a4855b3d72f6e528293a3edb682611cc54083fa976068c42e9985addce1

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
SignatureggOWbbR1MAzh0aCwTUImIekPolXWWldAnVMNak/aoLN26vyP1+EHyNBL3aIhGr8ApHwDsmmeP6ML4MqyD+VADQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:48.585003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052795
observed 87552c72c1c03636573d0f862dfa9681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.569835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052795/manifest.json
observed 50d75a4855b3d72f6e528293a3edb682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.552720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052795/publication.md
observed 3b0d7fac40407c1f19e00fa3e0a90e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.534684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052795/publication.txt
observed df042f44e91744f875ef0305df1fd718...
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.