OpenTechnical

OT-2026-000091754

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000091754) never changes.

Identity and time

Publication numberOT-2026-000091754 · never reused
Internal UUID01a0ae9d-43b9-76f4-b473-e20e0554b9af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091754
StatusPUBLIC

Content hashes

Canonical text6693347c513455366beb0c95489df5e9eb9f8c014fa6dfcdb2725dcc2bf8031b
Markdownb2026f2aac5c30c34a12fb113b229ecdcd5eb38c72e03b34b06a0f1e468e2957
PDF
Publication page1e3acb464581d233e15fe26298bc408fc1c142e5f80e601094d0ac900dc33d05
Manifest2336eec7552cb7a1a1e5a3f6ef4fe345ed060e68456b4c3e8d6df40945f73143

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
SignatureOtzBq4dbUDqD02sQfCVWX4M82AlkpbKEJFb2e0LN9TPMAiTe/rOswVA2R6+j0b8zSfpjmKQVktYzwFpzA9ykBQ==
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

2026-09-17T09:42:38.855630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091754
observed 1e3acb464581d233e15fe26298bc408f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.839633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091754/manifest.json
observed 2336eec7552cb7a1a1e5a3f6ef4fe345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.823027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091754/publication.md
observed b2026f2aac5c30c34a12fb113b229ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.806880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091754/publication.txt
observed 6693347c513455366beb0c95489df5e9...
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.