OpenTechnical

OT-2026-000043393

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000043393) never changes.

Identity and time

Publication numberOT-2026-000043393 · never reused
Internal UUID01a0ae7b-327e-7d12-9e33-c932162c1796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043393
StatusPUBLIC

Content hashes

Canonical text41f66c4df6e04de72b6a961d06978491786510fc620f15243b97034a5189d440
Markdown43e556492edd21435519e7f1122123761b70c9f33f773193efead0ec043b3c35
PDF
Publication page2aa69d0c1b9fc7b03fb4d6cf824888b0598d75592c21b9a192fb55cae528158e
Manifest522d0bf2fabbd6c13e4200c3f7dae7223966132a005244096c05f7c4ada2a187

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
Signature6gSnLuKVBowEN+1SrVZrzz5gHaFfAPeuKN/nXEMNLGmO2Gkg26BV+sO6049/5kO6oZBBLqqTuNbM5NCrYRpMCQ==
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

2026-09-17T11:13:55.602699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043393
observed 2aa69d0c1b9fc7b03fb4d6cf824888b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.581935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043393/manifest.json
observed 522d0bf2fabbd6c13e4200c3f7dae722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.561427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043393/publication.md
observed 43e556492edd21435519e7f112212376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.541919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043393/publication.txt
observed 41f66c4df6e04de72b6a961d06978491...
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.