OpenTechnical

OT-2026-000102615

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000102615) never changes.

Identity and time

Publication numberOT-2026-000102615 · never reused
Internal UUID01a0aea4-858b-7578-900e-238a12542b4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102615
StatusPUBLIC

Content hashes

Canonical textd8d2af194a13fb4ef1ca02bdac6223e0b99618a670ddb5e3d4fb13519b8268d0
Markdowndac8ca93733b601178d245961c766e90514c0d9df602da8472756722e86bd0a9
PDF
Publication page910b775e2887881ff4be550cdf8ad481fe495e505d41ae63f4bef40848a3cb98
Manifestfc3a86e4ff2841ea5c955e4b9bdb3e1c57830e9e4b0028e84fda423669add39e

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
SignatureZ2caPpUwmUO/SB0yjDJIHlhpPgBlHU9ajuMndKNQb+C2UCXLEURgT5asnCk6UQnpP2Bpv230wkTXeG0ueR5sCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:06.407812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102615
observed 910b775e2887881ff4be550cdf8ad481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.386120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102615/manifest.json
observed fc3a86e4ff2841ea5c955e4b9bdb3e1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.367912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102615/publication.md
observed dac8ca93733b601178d245961c766e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.347820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102615/publication.txt
observed d8d2af194a13fb4ef1ca02bdac6223e0...
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.