OpenTechnical

OT-2026-000042854

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000042854) never changes.

Identity and time

Publication numberOT-2026-000042854 · never reused
Internal UUID01a0ae7a-c0d1-7b0a-a58f-1a84c3bd4073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042854
StatusPUBLIC

Content hashes

Canonical texta139e4c9accfc94c8f3cae90a155a51905b8f20298c5c47b0a76efe513d21bbe
Markdown4c0fced59e8a38afd104fe39adc79719ec22509e2c7665c58e7638de7ffd82be
PDF
Publication pagea6cf79725ec8793093fe1f93de3717b8354660bf5220f3f9d051280e143a6f78
Manifestf5f4a689d4ae57662f8b472a48be7ef3c5b8a2c726fca40fe2c552109b50ff68

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
Signature0YS2QkdZhfFO/yBkdFyokTPcDAOQy1+s42jYJokttKrFqc2KUPbw2yjEIoFGmwZWGRN1p0GRDJ6E2Qu4k5kDBw==
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

2026-09-17T11:15:20.698190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042854
observed a6cf79725ec8793093fe1f93de3717b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.679863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042854/manifest.json
observed f5f4a689d4ae57662f8b472a48be7ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.661425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042854/publication.md
observed 4c0fced59e8a38afd104fe39adc79719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.640335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042854/publication.txt
observed a139e4c9accfc94c8f3cae90a155a519...
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.