OpenTechnical

OT-2026-000042827

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000042827) never changes.

Identity and time

Publication numberOT-2026-000042827 · never reused
Internal UUID01a0ae7a-c0d0-70ff-a819-22606188bafc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042827
StatusPUBLIC

Content hashes

Canonical textc253ad3dc66dd371702003c986f0eb0c1867ee9c384d4ae394d9fa1b7d546cda
Markdown05ee3c82d3e54d2d82a9164052343fd6f2e59977c80dc6e5b51b39bca220dfe7
PDF
Publication pagea411333e165ade16d17ab52b43c52e03031e45d5ab331e5a17ad342c6770d06e
Manifest423141d4d41975ee25db52f5a256e47b6b1a4ac2c9c04de1a478450366d5b3bf

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
SignaturePLlHOnf/si9Qk2sPd2B1GZYEJqw4sV2EIMScGiNGif+XiWbMblTMyRgp8xSUU+/kfEHOQsCCcqcTwvmARIuFBA==
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

2026-09-17T11:15:18.463260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042827
observed a411333e165ade16d17ab52b43c52e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.447128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042827/manifest.json
observed 423141d4d41975ee25db52f5a256e47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.430292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042827/publication.md
observed 05ee3c82d3e54d2d82a9164052343fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:18.413585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042827/publication.txt
observed c253ad3dc66dd371702003c986f0eb0c...
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.