OpenTechnical

OT-2026-000005838

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, ejector fed, pressure verified, plastic cups, 1 fold

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-2026-000005838) never changes.

Identity and time

Publication numberOT-2026-000005838 · never reused
Internal UUID01a0a946-86c7-7e67-9d23-22944213bd73 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:46.665795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005838
StatusPUBLIC

Content hashes

Canonical text4fc114658aea4f4e5c478fc0d65c56e023706e7972d8acfad2186efd5e25e8ec
Markdownda8da9dc183c01adce9e180560269d156fd0d4f0eee1f5f1f3d4113f9bab0946
PDF
Publication page1d7f49e591afe34709b7e168d2ec2c8134515b2e476ff63b368cac964fd4ee8a
Manifest31e3249ac0aac7f330b5cdd70ce95dab77a0c57cc404b6e4ecbb721b04fb1ad2

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
Signature5yZoQuv6RMAe86ZATbDjEYJnp9/KPkGZ+odzYdTflEuDk9N2diqh19AlwapT6j1XqLPfZtZ1Qiq17VVWOGHYCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:26.959638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005838
observed 1d7f49e591afe34709b7e168d2ec2c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.945725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005838/manifest.json
observed 31e3249ac0aac7f330b5cdd70ce95dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.931541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005838/publication.md
observed da8da9dc183c01adce9e180560269d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.918658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005838/publication.txt
observed 4fc114658aea4f4e5c478fc0d65c56e0...
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.