OpenTechnical

OT-2026-000071627

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071627) never changes.

Identity and time

Publication numberOT-2026-000071627 · never reused
Internal UUID01a0ae92-1e90-7499-8e48-50c949ae654e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071627
StatusPUBLIC

Content hashes

Canonical textd7b5d111db6a2fd7ed440e0f5d7edc517caa6e941b36ffb600af103fd8338ddc
Markdown73addaa52b9b9f19d4ddf83eadd26d79f1f541304ad99c0234e182f8ac231b8b
PDF
Publication page5753d97a2ffb827eb48df3dfc1024bcff2b37f565487ed9b405b4bdc9460a51e
Manifest75104cc55ed0854dd3d0a452fa2b56573c87e13fa30c220aded3fad08659bab0

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
SignatureIWizd14zWC4DXxZ3+FduD6s2YyyzlWAD19PIPtzBgWlOkgam33B9GrZ4QpuJQV5/TQrCpOxzhdKY+iuWbz2RBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:39.659563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071627
observed 5753d97a2ffb827eb48df3dfc1024bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.642140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071627/manifest.json
observed 75104cc55ed0854dd3d0a452fa2b5657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.626517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071627/publication.md
observed 73addaa52b9b9f19d4ddf83eadd26d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.608436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071627/publication.txt
observed d7b5d111db6a2fd7ed440e0f5d7edc51...
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.