OpenTechnical

OT-2026-000103288

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000103288) never changes.

Identity and time

Publication numberOT-2026-000103288 · never reused
Internal UUID01a0aea4-be3f-79a7-a9de-ac9afd84f43d · 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-2026-000103288
StatusPUBLIC

Content hashes

Canonical textecf989f352e2be9dd9f9d8830478e00925f11f77066fef8724db3a02a70502fa
Markdown693af8ac61778dd8d71ad1e57feb4c1ab43afe7938bb86de962b644954fe27b4
PDF
Publication page22befad07150b33c0aed1f71a0123873fa4060b05deae4f41649346f51114dee
Manifest66b4b5c1aadb4090425d2b90f6cf173e68911e0b07ce283af10d3755efd2f9f0

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
Signature95wwE4uWpByZMi33U9utwnIax3pYYTVRNinea2g/iUQwxHTbBeA9O2t7h9os4WFXJVp5CjIhRYUOFcPkklMuAA==
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

2026-09-17T09:23:31.948342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103288
observed 22befad07150b33c0aed1f71a0123873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.930668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103288/manifest.json
observed 66b4b5c1aadb4090425d2b90f6cf173e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.912396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103288/publication.md
observed 693af8ac61778dd8d71ad1e57feb4c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.893164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103288/publication.txt
observed ecf989f352e2be9dd9f9d8830478e009...
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.