OpenTechnical

OT-2026-000032255

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000032255) never changes.

Identity and time

Publication numberOT-2026-000032255 · never reused
Internal UUID01a0ae74-f7a8-76a4-9d60-b89a11d795d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032255
StatusPUBLIC

Content hashes

Canonical text1fefc0bb9df67e718ea22ca41efb4534b12b8d6c569cd21a3c55238a3eb713e8
Markdown6df1761a0ad18e598aaf3984ef4df45066cf41b7c3d760370ab25a4175ea99c9
PDF
Publication pagee41908a6b2264f13b14cb5dc9a0b74969cf507a34b0d33f36d9213556a57e291
Manifestfb4d6a7def955294ed6a7c5dd5b7fd3aedede9c223b7a9cb267c807797dc6f21

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
SignatureECn4BNY5TDhGrLZP2i/8y1pXbBEjFLl74/K+ohH0tKqCPPFH4j7wiN//uI0NMF1RfFvGLC2ppmv42oqMZppEAA==
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

2026-09-17T11:34:36.814193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032255
observed e41908a6b2264f13b14cb5dc9a0b7496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.796836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032255/manifest.json
observed fb4d6a7def955294ed6a7c5dd5b7fd3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.778441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032255/publication.md
observed 6df1761a0ad18e598aaf3984ef4df450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.760610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032255/publication.txt
observed 1fefc0bb9df67e718ea22ca41efb4534...
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.