OpenTechnical

OT-2026-000041004

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000041004) never changes.

Identity and time

Publication numberOT-2026-000041004 · never reused
Internal UUID01a0ae79-b10d-797e-bc84-b1170294f927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041004
StatusPUBLIC

Content hashes

Canonical textf5722c3fa66f4274c155b136d88c355b6b65fb3502499a87ea2686b95794527c
Markdownfb366f6fe255f843899a989a0476b9d384c83182c1ed53d6d345da2cac5e9365
PDF
Publication page85502a6cf8fb44addd55b9baea68e88946928c0a2521128afddf773e5ebfc7c2
Manifest7054caba2d8bbd86865a6f84a8a9699e64cd1ad4f47a975e4e10a83882c6bd9f

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
SignaturegTUv1ADF1lwBrOygHEN/veDlpu7kdKk26CuxcN1XwZ3GMFVU87dwS5Ao1Y1IqbgbNNS38qNW+EpuVsoj3L/bDA==
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

2026-09-17T11:16:54.575032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041004
observed 85502a6cf8fb44addd55b9baea68e889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.559570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041004/manifest.json
observed 7054caba2d8bbd86865a6f84a8a9699e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.544704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041004/publication.md
observed fb366f6fe255f843899a989a0476b9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.529009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041004/publication.txt
observed f5722c3fa66f4274c155b136d88c355b...
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.