OpenTechnical

OT-2026-000104405

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed 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-2026-000104405) never changes.

Identity and time

Publication numberOT-2026-000104405 · never reused
Internal UUID01a0aea5-3421-7802-9758-33f081260fa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104405
StatusPUBLIC

Content hashes

Canonical textea4020c68d1ba3bba57697cae12b1c3b5a8282919fbfe49c28c5c20d6fbce2cb
Markdownb0eb5455412e7f01cdfd8534b98b98921e077211a8e920fd823ae6b016b979d2
PDF
Publication pagea51b313144662642ecb10e78b566a8881ccc2f9cce774c27c628b0c8ae586a68
Manifestd352e613ded385e37ae4e2fe9ca95e7ac2237093de859ba826d4efc84ff08503

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
SignatureeQeETIKJqAHVdQVf1g/O3kp1BLfM5izrvY/a97BtsDRZiRSaptIbTPSX4pPBbgF2nE23gKEX2Bb6kg27dK2aBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:40.521387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104405
observed a51b313144662642ecb10e78b566a888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.503643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104405/manifest.json
observed d352e613ded385e37ae4e2fe9ca95e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.485092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104405/publication.md
observed b0eb5455412e7f01cdfd8534b98b9892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.468210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104405/publication.txt
observed ea4020c68d1ba3bba57697cae12b1c3b...
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.