OpenTechnical

OT-2026-000061117

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000061117) never changes.

Identity and time

Publication numberOT-2026-000061117 · never reused
Internal UUID01a0ae8b-137e-7854-bc61-e5d0f57e02d1 · 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-2026-000061117
StatusPUBLIC

Content hashes

Canonical text8740f4df6d626a473ed6c204c5e0c80e1d5f3fa410bbf9687694fa296c884217
Markdown254c5217aa26ce662c9be54ff9c7f07c222d714430d27e804854c2679bc15ffe
PDF
Publication pagecb089ddd5444945195ab95130dda5d377983d6ad4b770cd3be9be7b56806db5f
Manifesteff151207a0dfadacc1b67fdbc993ae59188ad1601c0ac926ec18f307d3b9d72

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
SignatureoHr7e31Y1aOxaHUzTynf3uoo9/560M1EYLi9js0EW1/HYBY0blurLwzPEKTGTYl1Zw36t19UwohFWzlRj1KCDg==
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

2026-09-17T10:42:29.435078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061117
observed cb089ddd5444945195ab95130dda5d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.415034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061117/manifest.json
observed eff151207a0dfadacc1b67fdbc993ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.395599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061117/publication.md
observed 254c5217aa26ce662c9be54ff9c7f07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.378538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061117/publication.txt
observed 8740f4df6d626a473ed6c204c5e0c80e...
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.