OpenTechnical

OT-2026-000061190

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented after 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-2026-000061190) never changes.

Identity and time

Publication numberOT-2026-000061190 · never reused
Internal UUID01a0ae8b-1380-73f6-983a-93ffa289e9a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061190
StatusPUBLIC

Content hashes

Canonical textcf773102bfffb7230d2e86c088b3e5cf53865458b705464cdd584723979e37db
Markdown1a8a79bc4a0b7390b120b5598dd802829bbc5da7d0a61c8057429bbe90daa3a3
PDF
Publication pagedf26e570445799e9532a2eeaf1e16655bc96b35114af21f66dcb453e1f642642
Manifest1c170f6fc07aae12571440fe4de92f388266dd2165690e88df2b6b3c88170193

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
SignaturefpitAkqggPhRx8vZJv1/meJ9f5GNW//kS1L/7ERX7TLlgs/hAapLVEIj855LzqrReLQ6mswJ4tkvK5mweQHxDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:35.127938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061190
observed df26e570445799e9532a2eeaf1e16655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.108063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061190/manifest.json
observed 1c170f6fc07aae12571440fe4de92f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.089958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061190/publication.md
observed 1a8a79bc4a0b7390b120b5598dd80282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.070645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061190/publication.txt
observed cf773102bfffb7230d2e86c088b3e5cf...
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.