OpenTechnical

OT-2026-000102712

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000102712) never changes.

Identity and time

Publication numberOT-2026-000102712 · never reused
Internal UUID01a0aea4-858b-7a64-b4a4-5601620f0952 · 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-2026-000102712
StatusPUBLIC

Content hashes

Canonical text25c352fd8c8dcb79540598fc4bd384683f540bc2d8d808663004b682b3194b6a
Markdown64ce1ddfd414386e8ae85821fcef80bd91e6bceab86f4a73fdeca09d13e5845c
PDF
Publication page10c5222e4baaca03638b26cd0c04502c5843f55fd1f3766790becf52cc8a8d1e
Manifest74b185ee76bab3f991cc7c15b90e4f09ce49163d12bd7b1a66706e52cdb68de5

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
SignaturecVSVFMuT/JF0jia85jVckspERXGqAY09CFRMx2T4ryEpkNzf/w2O78QNzfG3xA9zRnyEnrtOSqY3Mo0UL7MZCg==
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

2026-09-17T09:24:13.485703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102712
observed 10c5222e4baaca03638b26cd0c04502c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:13.466752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102712/manifest.json
observed 74b185ee76bab3f991cc7c15b90e4f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:13.447269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102712/publication.md
observed 64ce1ddfd414386e8ae85821fcef80bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:13.429696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102712/publication.txt
observed 25c352fd8c8dcb79540598fc4bd38468...
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.