OpenTechnical

OT-2026-000054439

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000054439) never changes.

Identity and time

Publication numberOT-2026-000054439 · never reused
Internal UUID01a0ae86-1282-7b71-9c62-8d63e27c41e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054439
StatusPUBLIC

Content hashes

Canonical text63fb8522859e6a96058be4657f0e20fb0584da1fc41acb0b6ca72d12191557cc
Markdown8a40b61fe2c4bc644f2d1f27ec240768e86c2282757a169aebba29519b88466d
PDF
Publication page3d6da89e9883eb3006f57e4a349e27ffbad75a8c795d5e54d32ed404128ae870
Manifest2821e6ada4f6c6f4b4e2b6009924e6ea727afcbde247971e4c256dbda3fea08a

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
SignaturePftIsR3ga0k6bsvHyfGoy/iVB8ndHekxaZOclOv4uz7uZ6oCGkMZqIYJSGEHnkhMkqc/6fRDfXmk4tVBctFOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:25.432609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054439
observed 3d6da89e9883eb3006f57e4a349e27ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.415049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054439/manifest.json
observed 2821e6ada4f6c6f4b4e2b6009924e6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.397141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054439/publication.md
observed 8a40b61fe2c4bc644f2d1f27ec240768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.377925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054439/publication.txt
observed 63fb8522859e6a96058be4657f0e20fb...
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.