OpenTechnical

OT-2026-000052611

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, 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-2026-000052611) never changes.

Identity and time

Publication numberOT-2026-000052611 · never reused
Internal UUID01a0ae84-573b-7509-97bf-c7a06d88c8fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052611
StatusPUBLIC

Content hashes

Canonical textafaec18d8fb9ed9105c30b74943c0a613779177fe7742ef871e006ac700e1f95
Markdown27f4d2aa81cffbdc9fac37aa7f4cff98f9598867a9939866e438c7fddeefaa84
PDF
Publication page67f6e043d378a7c6fbf9670154d0ced162ce892de27f779e4bc6c452d92fc57e
Manifest59ebf9f100ddfd27019e7499e2791b6b0d324d4c422d01556180dbda6a35e647

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
SignatureHu1e8luG+Jkoe6JGcMCq8Q8zMYNv7zM+odc7JfFe3CFgjbDxtVAKP+ypvLzppEeOAA5MABN6vezYCbQVO855Dw==
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

2026-09-17T10:57:16.885513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052611
observed 67f6e043d378a7c6fbf9670154d0ced1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.866883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052611/manifest.json
observed 59ebf9f100ddfd27019e7499e2791b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.848669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052611/publication.md
observed 27f4d2aa81cffbdc9fac37aa7f4cff98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.832003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052611/publication.txt
observed afaec18d8fb9ed9105c30b74943c0a61...
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.