OpenTechnical

OT-2026-000060690

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000060690) never changes.

Identity and time

Publication numberOT-2026-000060690 · never reused
Internal UUID01a0ae8a-b7ce-7777-9ab1-1be846f0f85b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060690
StatusPUBLIC

Content hashes

Canonical text8fa0cf8d6902586b2feab6e818d772008e89cc05a929fc6e03b6fcaca6523bf1
Markdown1112e0ae4eb81cdfffc5ca4958f551040a3b09b2ef95e04031c9469a6669d343
PDF
Publication page30ba295c2a639207b66bcbb4c196981714fc3f56ce234729dcfbda6a60c4ff23
Manifest1308a9024ebf33272e745f85d4c500b9d9b44ec1f5c8f3243b57c0dc2ae2092e

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
SignatureMyFet4cOKyKYqDr//dQq904IxCIC3T14gyt5GKM3kbt3+uUjZGzme3pyW/aMyXEY5sA73BQVmOtaPSZrnZWLCQ==
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...

Independent retrieval

2026-09-17T10:43:20.107326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060690
observed 30ba295c2a639207b66bcbb4c1969817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:20.089949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060690/manifest.json
observed 1308a9024ebf33272e745f85d4c500b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:20.073220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060690/publication.md
observed 1112e0ae4eb81cdfffc5ca4958f55104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:20.053343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060690/publication.txt
observed 8fa0cf8d6902586b2feab6e818d77200...
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.