OpenTechnical

OT-2026-000044738

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044738) never changes.

Identity and time

Publication numberOT-2026-000044738 · never reused
Internal UUID01a0ae7c-911a-7832-8427-a40c9eb7cebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044738
StatusPUBLIC

Content hashes

Canonical text10fb07e675aabb7985ff7c0bafeef8f44bb1c4c66458ce961ba6097162c86ee5
Markdown8b313cdf3bf3bccb5188af9c51e16bfc88e10feb2d6a08e84434da7ab8256694
PDF
Publication page5d6130680b6966e5b50e1b3b55f71132f45ddc47b7eab1f698c3ce1da2ea0f73
Manifest0118e49e2edc6a4cebb0c2b97679651389487d6b233bafbcd5bce501893f9557

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
SignatureS3UwUPfmGLy7vIYSn9DwRQ5gN8egqvciCCozqUv4T9muTz7n8aCiZhF0iW54tkCmp9OZn2x63+YVb9syFsb/DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:21.052315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044738
observed 5d6130680b6966e5b50e1b3b55f71132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.033953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044738/manifest.json
observed 0118e49e2edc6a4cebb0c2b976796513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.015047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044738/publication.md
observed 8b313cdf3bf3bccb5188af9c51e16bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.997257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044738/publication.txt
observed 10fb07e675aabb7985ff7c0bafeef8f4...
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.