OpenTechnical

OT-2026-000005112

Publication integrity record

Porous face vacuum gripper, common isolation valve, four outlet manifold, three stage ejector, open cell

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-2026-000005112) never changes.

Identity and time

Publication numberOT-2026-000005112 · never reused
Internal UUID01a0a92e-3c34-73dc-8762-7520a9b266c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:14.711277Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005112
StatusPUBLIC

Content hashes

Canonical text7acd9893c3fd6aef0060a8419b0d8f1616c5537e041c2e21fe24f26ca28bd953
Markdown5e21d350669801fd7d2fc8c9dfb53394ae676c9b438f2b348a7d1e2535a05086
PDF
Publication page04c5197e016e5201dd95f72c3d9eda2e6144d016884b1df98e9a7770cd51a696
Manifest183df76f83dfb81a4b3cd609d67938f095ef7778eea2034c5fb8fb11b569cb33

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
SignaturekvHSQHSau128AIj+4zNjfnJJNl9AYXd10/7BsZohCPKKztPT1OwnbUxf0ICw61OsimukPDlztc9uF1tEbnqdAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:14.196688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005112
observed 04c5197e016e5201dd95f72c3d9eda2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.181333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005112/manifest.json
observed 183df76f83dfb81a4b3cd609d67938f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.167132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005112/publication.md
observed 5e21d350669801fd7d2fc8c9dfb53394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.154024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005112/publication.txt
observed 7acd9893c3fd6aef0060a8419b0d8f16...
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.