OpenTechnical

OT-2026-000075055

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000075055) never changes.

Identity and time

Publication numberOT-2026-000075055 · never reused
Internal UUID01a0ae93-ac2e-7dac-8c80-69f5d30f51f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075055
StatusPUBLIC

Content hashes

Canonical text8af0c6e3a052c59dab2b0e1a289029437ba31e6a882343a5bdded1dd0ada6f16
Markdownb097e849ae066bbad8a9bb7ad8367b7fc00ee5c8a70f0a3483668e7540adb838
PDF
Publication page55fe6297c0a4c004983bd01a218ca39bec8f15b829f8ed639b7efcfdc24535cc
Manifestd795f3f02d7a34d8d213bc0a2f07bb710593ccb192c499e31c2b2988b9f44491

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
SignatureJr+LBN1FJqgpYvI9daxUrSZh5HaLPWo2zqxct8SgayvgKftVp95Hbeft7wlwX+btB+Afs0A9+9sKo9xlL4lqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:52.334966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075055
observed 55fe6297c0a4c004983bd01a218ca39b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.318557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075055/manifest.json
observed d795f3f02d7a34d8d213bc0a2f07bb71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.302283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075055/publication.md
observed b097e849ae066bbad8a9bb7ad8367b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.287324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075055/publication.txt
observed 8af0c6e3a052c59dab2b0e1a28902943...
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.