OpenTechnical

OT-2026-000050014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000050014) never changes.

Identity and time

Publication numberOT-2026-000050014 · never reused
Internal UUID01a0ae81-fd78-7bea-b2d1-d165ae0a0989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050014
StatusPUBLIC

Content hashes

Canonical text0cc501e06e07d3e0c23e537fc26aaa97c8668d4989eef1af5bb618263feaf03b
Markdown0fff71435a65380ad8ccfa06a0a7f1ed81adae620ae8c4d7b6e2e4c33ad8cdeb
PDF
Publication page0c88014ee38a56714826e718d40e62238876fc6a0aa4b53123bfb1e51afd1b14
Manifest916c84d882963e7067c05b6730b0b6a6a8dc92a92b2212187cbf6eeda3dc4807

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
SignatureYg6MTOB56REmzydfdpgF/Tx14Bk4oGqy5Vvnwt7bBmk52dlG3TZdpdEQ9M1lZBQU57+KEkoAtVngeDN8M+0/Bg==
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

2026-09-17T11:01:58.714160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050014
observed 0c88014ee38a56714826e718d40e6223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.694396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050014/manifest.json
observed 916c84d882963e7067c05b6730b0b6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.673333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050014/publication.md
observed 0fff71435a65380ad8ccfa06a0a7f1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:58.652172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050014/publication.txt
observed 0cc501e06e07d3e0c23e537fc26aaa97...
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.