OpenTechnical

OT-2026-000075462

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075462) never changes.

Identity and time

Publication numberOT-2026-000075462 · never reused
Internal UUID01a0ae93-f201-712b-9388-4470ce5945a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075462
StatusPUBLIC

Content hashes

Canonical text13811247e945975ec3d17a1ab5bd295d284238703ee85432f18babab08031919
Markdown222c9895aeea1ad7ee9e233064cdc5fa854b48ba2787c576e3b4607d595a035f
PDF
Publication pagebc8dde7116b46205c9addfebe539ff3ff5f1f21066058a66a52611354c261153
Manifest577d6f260004314ac000bb95187bddfa4eb243ce3eb3adb819eca023abbbaaf7

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
SignaturebPlKxa4/k8h+T1dmAkqqqcdPAGrjI4C9UH/nQm3KSSCeqwLAAAUa725KQ34NSQ1cVVd8gdHRz6CqGgHBNZMYAg==
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

2026-09-17T10:17:44.534211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075462
observed bc8dde7116b46205c9addfebe539ff3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.515229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075462/manifest.json
observed 577d6f260004314ac000bb95187bddfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.498091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075462/publication.md
observed 222c9895aeea1ad7ee9e233064cdc5fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.478669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075462/publication.txt
observed 13811247e945975ec3d17a1ab5bd295d...
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.