OpenTechnical

OT-2026-000048109

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000048109) never changes.

Identity and time

Publication numberOT-2026-000048109 · never reused
Internal UUID01a0ae7f-c424-7bf3-9674-d0491c0af723 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048109
StatusPUBLIC

Content hashes

Canonical text4268f46cb1d4b0a1619ed4b24f1e01bdada7e3b152722acabc8657c3520784e9
Markdownc266b9f320f9c14abfe13efefc083457fad637e26757f7e6b442fdadd0617235
PDF
Publication pagecf0925a9c1e7f32cdb458df6b8519a3944d5ae95c4f934552691b4d655c43b1e
Manifestb64386715d8c130db0f5c52eb72bea7494aa1ecd1556d0ee217a557662ca4c80

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
Signaturee7H4/8/aG5ssxWENj2jIEWM8Fe+dVrJqARJPZRZFVo92hhos3P7yb5UFSXCua+HDMT0A45jvXGoodOigHV0CAA==
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

2026-09-17T11:06:08.270793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048109
observed cf0925a9c1e7f32cdb458df6b8519a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.253658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048109/manifest.json
observed b64386715d8c130db0f5c52eb72bea74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.236043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048109/publication.md
observed c266b9f320f9c14abfe13efefc083457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.216368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048109/publication.txt
observed 4268f46cb1d4b0a1619ed4b24f1e01bd...
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.