OpenTechnical

OT-2026-000091527

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091527) never changes.

Identity and time

Publication numberOT-2026-000091527 · never reused
Internal UUID01a0ae9c-f16e-7459-b404-bd23bf7dd23c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091527
StatusPUBLIC

Content hashes

Canonical text0ad136ba06a19854c3218f7ce9790f7037221dc841bda7af4c6e53659c97bdb6
Markdowncececbbfae41df952c6277396026eac34f637556a3fd0e51e4debcaffd6426fd
PDF
Publication page593fe58b7cbcbf049bb2ce19c861b9a80229ce5e90e12a238a26234984dd3141
Manifestd67cc36ce648fa8ed9e0734140e2c8a6cb636fd9359c59942204de9ebb151502

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
SignatureES/htDZdiSpTSmSYp2+0CVss3e1eq8f5vxAA+2B7mM2O32pjrKdvsnfoMLYLH82vUapEVanPgHI1Lt3mFWw+DQ==
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

2026-09-17T09:43:47.550886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091527
observed 593fe58b7cbcbf049bb2ce19c861b9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.534901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091527/manifest.json
observed d67cc36ce648fa8ed9e0734140e2c8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.517679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091527/publication.md
observed cececbbfae41df952c6277396026eac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.501029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091527/publication.txt
observed 0ad136ba06a19854c3218f7ce9790f70...
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.