OpenTechnical

OT-2026-000061963

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000061963) never changes.

Identity and time

Publication numberOT-2026-000061963 · never reused
Internal UUID01a0ae8b-b8ad-75ec-8afa-52c57289213f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061963
StatusPUBLIC

Content hashes

Canonical textcf25da8bc9893cd6e61befb4286fbec5e1bec0e164ed1cf7a29c4365ebc1ae32
Markdown7f2f45b8f682a2c4f8b2bb0e3aba8423a31bceb71ced4e575b1e07cf1b0208eb
PDF
Publication pagec5ba778eb5ee8bd37cce8f79e31cf9e118f096b5610515bd446c504a270ca447
Manifest55e39ae62d1ec2e328b0c4b01ac1cce1753bd4458f3562c7bf38a08aeab77574

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
Signature+Hi5SR1X9fgYzq+xaao74Y8JvpLhX9e+EoSE+fnIGna0cqyfylcmEw3LUsmHsZ8aR0K2dldvUgBI7g//0hDSCA==
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

2026-09-17T10:40:52.485662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061963
observed c5ba778eb5ee8bd37cce8f79e31cf9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.459314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061963/manifest.json
observed 55e39ae62d1ec2e328b0c4b01ac1cce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.433729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061963/publication.md
observed 7f2f45b8f682a2c4f8b2bb0e3aba8423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.410642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061963/publication.txt
observed cf25da8bc9893cd6e61befb4286fbec5...
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.