OpenTechnical

OT-2026-000051880

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000051880) never changes.

Identity and time

Publication numberOT-2026-000051880 · never reused
Internal UUID01a0ae83-7c84-783b-a42a-ae8e0211d713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051880
StatusPUBLIC

Content hashes

Canonical text88f1f1dddf29deffe1c82c371b78fa4c34bf3d1133e4d7bef594e707ba5a5679
Markdown911e865658a1746cfdf4cb7d4d9ab64a9942e26117420b106b3c9438e731cdd5
PDF
Publication pagec6000f7210e382a440058243a66170192e50e827cb5b2806555f7923f0c68d41
Manifestea23b5d15c8872982b661b46293a7d335d2752b425f475d9b70f451b06226a93

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
SignaturewQHkSksAegjWvxcNn4bImaPy7zmktZhT0RVphZJC4JKbrWRpmAZiref8mI0ujK7wpEmd1fR2nrIf9HTEBH0yCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:49.150175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051880
observed c6000f7210e382a440058243a6617019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.130370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051880/manifest.json
observed ea23b5d15c8872982b661b46293a7d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.113356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051880/publication.md
observed 911e865658a1746cfdf4cb7d4d9ab64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.094175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051880/publication.txt
observed 88f1f1dddf29deffe1c82c371b78fa4c...
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.