OpenTechnical

OT-2026-000038053

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000038053) never changes.

Identity and time

Publication numberOT-2026-000038053 · never reused
Internal UUID01a0ae77-f88b-762f-a989-cbc9cbc01f12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038053
StatusPUBLIC

Content hashes

Canonical textafb0d68254b6e3dec15e2a4092591b0c9d0edab21ef34fc4732a8c1c4dbed196
Markdown8895d46c1cf9b99586c46ae14645089181f8dffeb86d7bb21ea04e9214f466af
PDF
Publication pagedab4643d987b6b22ad6c7b494dd79a472cf1492fd8a89e1e28827fa9f1dd5004
Manifest14578f7787d77818d1a12c4b53f71f22f2d88838bb720fb0a4e49a3527d7b690

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
SignatureznrWE4J7McGeTZDdepNxPqDzlCei7ypyQX92d0jb0US7zW4e/3M8CnHBx8wT/X5c02biwOW9u8RBkkplEdfHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:22.311100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038053
observed dab4643d987b6b22ad6c7b494dd79a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.294013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038053/manifest.json
observed 14578f7787d77818d1a12c4b53f71f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.275366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038053/publication.md
observed 8895d46c1cf9b99586c46ae146450891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.256018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038053/publication.txt
observed afb0d68254b6e3dec15e2a4092591b0c...
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.