OpenTechnical

OT-2026-000055893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000055893) never changes.

Identity and time

Publication numberOT-2026-000055893 · never reused
Internal UUID01a0ae87-0a49-725d-b3ee-e80b013f0df9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055893
StatusPUBLIC

Content hashes

Canonical text29e737bbc31a6fcf821e3201c42c3a0f928c555d873d56a70a31a9dfa9f5fdd7
Markdown69e240225c54fee30b8d0cc6c2df86e2cf3c4b8fac5354c8dc00ccb28bfa1574
PDF
Publication page0fb8bfc87873a74b1b49c2bedce202360082d683702581e682e9a2cffcb4aab7
Manifestb470edd5d01974b166802c2ea25bd7cd2489cb9d5e74f41f1b90b35e44756caf

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
SignatureN/VVrM3/OyJDhQ+ticguN9JpK+uPeL/h5z4CxXBA3fTxJOXjJE1XrgVL6iXpEdip5okB9YoR3a/ytSIy4zRMCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:17.841205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055893
observed 0fb8bfc87873a74b1b49c2bedce20236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.825415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055893/manifest.json
observed b470edd5d01974b166802c2ea25bd7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.809291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055893/publication.md
observed 69e240225c54fee30b8d0cc6c2df86e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:17.790633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055893/publication.txt
observed 29e737bbc31a6fcf821e3201c42c3a0f...
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.