OpenTechnical

OT-2026-000039380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000039380) never changes.

Identity and time

Publication numberOT-2026-000039380 · never reused
Internal UUID01a0ae78-9675-7255-8dce-db9643e4f6c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039380
StatusPUBLIC

Content hashes

Canonical text6746c76bdccde6eee637d7d90521253d1068efadbd37b512ba8509c6dcd41fd2
Markdowned500edda880b9b69c35ca15b91c1666e06f7c33348f8a3ffa6d162f7059a660
PDF
Publication pagea5c5ea126f9849be1658c71dff9ecb746fd22ce38c8e363dc479dc1e0f20ec43
Manifest4ea3d658f639b17843cd509caf08d4e78170bab23175a168f83f1d032fc90547

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
Signatureyp01tM6VpAcgsBGQgN4a6flfGJe9dj7xKENe7amfBpwkCuPVACNCqxa9w7JFO787/9RRxCDr/BI4NtbmJogVAA==
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

2026-09-17T11:20:59.308642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039380
observed a5c5ea126f9849be1658c71dff9ecb74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.290679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039380/manifest.json
observed 4ea3d658f639b17843cd509caf08d4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.272034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039380/publication.md
observed ed500edda880b9b69c35ca15b91c1666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.254619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039380/publication.txt
observed 6746c76bdccde6eee637d7d90521253d...
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.