OpenTechnical

OT-2026-000090852

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000090852) never changes.

Identity and time

Publication numberOT-2026-000090852 · never reused
Internal UUID01a0ae9c-c010-747e-aeba-bf4d46ffe37d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090852
StatusPUBLIC

Content hashes

Canonical text9b63a5df15cfccc655767d9ac1d8774d368028208d9c53351f533f3e6492aad1
Markdown1d6e9a5b7f3bf1d476d7320f7e011ea5d3d9d5b01a21e52213d1fd75b2d2ead5
PDF
Publication page5e444bff2f299004f25025ea9b8a0cd471375c1198e39a54992d68d67e667d77
Manifestf2d3c9e8adfa29517ac5c9ea871dfdc48998607d24f491ca9603f21fe3ab1b7d

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
SignatureLrTuieMGH5bVB51Mita9tzyEvAvvCy8VYO5wIFVzolDgZ89mLlDnRHFV/Q8ByPzbSsI0j9cWSplPQVmk4pM/CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:02.395720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090852
observed 5e444bff2f299004f25025ea9b8a0cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:02.378278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090852/manifest.json
observed f2d3c9e8adfa29517ac5c9ea871dfdc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:02.360914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090852/publication.md
observed 1d6e9a5b7f3bf1d476d7320f7e011ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:02.342262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090852/publication.txt
observed 9b63a5df15cfccc655767d9ac1d8774d...
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.