OpenTechnical

OT-2026-000050026

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-2026-000050026) never changes.

Identity and time

Publication numberOT-2026-000050026 · never reused
Internal UUID01a0ae81-fd78-7a21-98fa-9bdce1d307f9 · 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-2026-000050026
StatusPUBLIC

Content hashes

Canonical text6b4ccf366b22aedbf00d733d492f09c953ec4ec6f6943875cef55641fc2cfe2c
Markdownee55ef9c4554ab2aa8f8259df192add8aec3925f541685f378ac5f26b80c0d6b
PDF
Publication paged2fefaf6b648845c0cda512f022818c0416d9de4d8f3a71f33dfa1efc3958ddf
Manifest2729665c12ec7bc9ed180c726233a9578b85063956771c0f73ca04fdbf2cc805

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
SignaturetYKauKuzas1dm0WISEKNaTm9FVIZTkdIM73Fz3sKL2rDDutoGr2DcmWf/qw4XvpsPLnTCL7C2Fs8na6847FPBg==
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

2026-09-17T11:01:59.868899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050026
observed d2fefaf6b648845c0cda512f022818c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.849380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050026/manifest.json
observed 2729665c12ec7bc9ed180c726233a957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.831227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050026/publication.md
observed ee55ef9c4554ab2aa8f8259df192add8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.814167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050026/publication.txt
observed 6b4ccf366b22aedbf00d733d492f09c9...
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.