OpenTechnical

OT-2026-000045004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000045004) never changes.

Identity and time

Publication numberOT-2026-000045004 · never reused
Internal UUID01a0ae7c-911d-7e7d-bafd-c43dfd3f545c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045004
StatusPUBLIC

Content hashes

Canonical textb9c89a4fccd30c473669a7d4ced737a817c0fb0310fb11532df104f5a08d63fd
Markdowna9de62238519e215624a4e808f531e743a3e8198e33d6cda94769e199057ae28
PDF
Publication page1a6db10df052bf53e95f946f709d9e232ddd0ccc8c3a0add1ec422764fc569d3
Manifest8dfbb2664549722ef7664caeba67d4075e6291a1c113b50250813e6ef844a246

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
Signaturee782CWluneXHMW73bh6fTGaKHohYhpn8GFalG5eN9fpaBg0AYtNU5fSmolXmhDWGydcNSABGIpkOSGU3wsr7Cw==
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

2026-09-17T11:11:42.096789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045004
observed 1a6db10df052bf53e95f946f709d9e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.076519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045004/manifest.json
observed 8dfbb2664549722ef7664caeba67d407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.056853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045004/publication.md
observed a9de62238519e215624a4e808f531e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.039697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045004/publication.txt
observed b9c89a4fccd30c473669a7d4ced737a8...
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.