OpenTechnical

OT-2026-000053821

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000053821) never changes.

Identity and time

Publication numberOT-2026-000053821 · never reused
Internal UUID01a0ae85-735d-7f5a-b8ad-e77c995095cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053821
StatusPUBLIC

Content hashes

Canonical textd25e8a178bad41749bba0c03eddf897d7dce669379109e3a161b94d4bf497969
Markdown7ff04c0e0a1a55840220051be11b2d2b8b8523399d20a41469994778fbc5f1c6
PDF
Publication pageb5ed2c03eb3761f314532cf338936d66579ce3caf73c95b16a6b8d7b4a956c38
Manifest4f2691bcf88fc644ead5f86da31d8219983b5568c4ce1499ac0e5149657c3072

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
Signature7XWeNaUYhBVqdB7nq094A2VeesrasgTBo437nSBQXTbMcOhBWkDIvtSxig5m1ED3JVArqcoeg7znScHSpq8hCQ==
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

2026-09-17T08:40:33.821355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053821
observed b5ed2c03eb3761f314532cf338936d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.806024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053821/manifest.json
observed 4f2691bcf88fc644ead5f86da31d8219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.787053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053821/publication.md
observed 7ff04c0e0a1a55840220051be11b2d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.770596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053821/publication.txt
observed d25e8a178bad41749bba0c03eddf897d...
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.