OpenTechnical

OT-2026-000102910

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000102910) never changes.

Identity and time

Publication numberOT-2026-000102910 · never reused
Internal UUID01a0aea4-be3c-78aa-afae-e8fcaa49074e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102910
StatusPUBLIC

Content hashes

Canonical textd2f03d59294fc8e7c30d16dc73d04f1d7f328ab88fa181335abad150cb8314bb
Markdown8146f5cca253b74be2df36868e23a18ca6c03eba3f32d44abe9f4fcf7f67ac07
PDF
Publication page7246a55effa8a6bc71ac924f87d0a413e88596f9db42b82853a1fb8d715651a6
Manifestf31de3ca35d1234f151e52134ca8dcd23b48ec39936624839e0d21d9360ab27f

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
SignaturebMGT3WWHOrjow4yHsEXBeED6GPiRlYcF0IBjdcoIwNNYvTCAyAcpDE0aZ3O6vt7c7S6bsA7qo1LDW1By1X9mBg==
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

2026-09-17T09:22:55.469950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102910
observed 7246a55effa8a6bc71ac924f87d0a413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.450081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102910/manifest.json
observed f31de3ca35d1234f151e52134ca8dcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.429940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102910/publication.md
observed 8146f5cca253b74be2df36868e23a18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.408838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102910/publication.txt
observed d2f03d59294fc8e7c30d16dc73d04f1d...
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.