OpenTechnical

OT-2026-000027802

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000027802) never changes.

Identity and time

Publication numberOT-2026-000027802 · never reused
Internal UUID01a0ae72-a4a4-7c12-b144-7cdf490465a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027802
StatusPUBLIC

Content hashes

Canonical text2852b1ab0d23eb57c77df5392b281a477ee795d8e3749508baf06ac6e875b0a0
Markdown7ad50f944dae3bf1c38c76f8e8a92c4d85a111adbb7675863e891bb2c4305e4f
PDF
Publication pagef6bacf35580872779ec8ff48746af4ed16b593fa7e7307fdba656d631b0f02e0
Manifestfae9f44f425278652dcc1863ed5b22e53d7a95c9a387cd611d7901c6ff6b3398

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
SignaturemEl1eneNtE+0Ey4Gx5FcQcjBf+olPlo+S5AR6c/WYxFUyo9D4IElwPpIxXjKHKL3tPaJdFY2OIPvjkwfeVSCAA==
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

2026-09-17T11:41:51.085742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027802
observed f6bacf35580872779ec8ff48746af4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.069953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027802/manifest.json
observed fae9f44f425278652dcc1863ed5b22e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.053339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027802/publication.md
observed 7ad50f944dae3bf1c38c76f8e8a92c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.035415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027802/publication.txt
observed 2852b1ab0d23eb57c77df5392b281a47...
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.