OpenTechnical

OT-2026-000022574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000022574) never changes.

Identity and time

Publication numberOT-2026-000022574 · never reused
Internal UUID01a0ae6f-f4ff-7ba7-b906-8b397b991cfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022574
StatusPUBLIC

Content hashes

Canonical text1176c2822a03339716b965705bc08b338d655867edc817a5838b67fccc7d018a
Markdown4c5e6f0009e6d4340cddfc62a61924ff4fda94e1f13f458ad2d9d866d07b4223
PDF
Publication page8344764698ddd128467db3bb54d461d09ab538477ae411f138689245ecbff474
Manifest848f313310cf14cab6cca75c42557b9bbb0efa81440c6775eb959dca6b22493a

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
SignaturenE6Pvkyl2kWoW/nedLee9XhQ2aPhjjlBjsF+rl+tas5eL/4J8meSG+vRaRRUepUSsq3xR2ArFuKdLbOggoctCA==
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

2026-09-17T11:54:00.872827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022574
observed 8344764698ddd128467db3bb54d461d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.854015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022574/manifest.json
observed 848f313310cf14cab6cca75c42557b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.837052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022574/publication.md
observed 4c5e6f0009e6d4340cddfc62a61924ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.818361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022574/publication.txt
observed 1176c2822a03339716b965705bc08b33...
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.