OpenTechnical

OT-2026-000005090

Publication integrity record

Porous face vacuum gripper, common isolation valve, six outlet manifold, three stage ejector, contact triggered

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-2026-000005090) never changes.

Identity and time

Publication numberOT-2026-000005090 · never reused
Internal UUID01a0a92d-897a-74b1-bb29-51d7316c1af8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:28.957140Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005090
StatusPUBLIC

Content hashes

Canonical textf62093e5716d83627f72cb2fdd077f6d820d848c8f99d4219db8d9729af4346f
Markdownf12c9dad5ed33a616c64ecb8f922e689fe28efa5dd40be87b427335b921a1362
PDF
Publication page39fbb549f16493e3208aab80d43a595e642a2cfdbedd2e4a698548b28b853c6d
Manifest3be86eb3f5b799869a8b389b2909b189aa2238b711afbe5e3ec427a906e7734b

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
Signaturej/eq75hIeHCgXvi2TpTHZeIty7O4Oj4ps6zz0PPqiAJ+wnMdzLdMd9KWHpy5FLD26ZsBvgV8KoF/DvYIGspmDw==
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

2026-09-16T07:50:16.650057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005090
observed 39fbb549f16493e3208aab80d43a595e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.636530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005090/manifest.json
observed 3be86eb3f5b799869a8b389b2909b189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.622511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005090/publication.md
observed f12c9dad5ed33a616c64ecb8f922e689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.487416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005090/publication.txt
observed f62093e5716d83627f72cb2fdd077f6d...
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.