OpenTechnical

OT-2026-000031149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000031149) never changes.

Identity and time

Publication numberOT-2026-000031149 · never reused
Internal UUID01a0ae74-87ab-7d02-8f8e-6899508d06a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031149
StatusPUBLIC

Content hashes

Canonical text33b6a20f845036e2535fd794a2a03c9726d4f6c6b5a8fe4e4254b9bb54ce6280
Markdown9a4f9f3eff98a3978d585f30003a3e2071bdb6fc8e643e38ef1a27f5426e9de6
PDF
Publication pagea8e0f4e9e71d9a87f0d8725d7600ae82ffe8cedbaf1beac74f72854998804272
Manifest6daec4f6cdb43c8253a00a6b07e8a8f02ef9c91d213705587cf132be74fb1b0b

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
Signature5a7S5jx4Z2xsNO0H/zypQkKN1TMuO5blULhSERIwxV1PidKkOSxqg3ozxo2lcRJFItv9a4cELV+l62etqICvBQ==
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

2026-09-17T11:35:35.645293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031149
observed a8e0f4e9e71d9a87f0d8725d7600ae82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:35.628398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031149/manifest.json
observed 6daec4f6cdb43c8253a00a6b07e8a8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:35.609402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031149/publication.md
observed 9a4f9f3eff98a3978d585f30003a3e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:35.588098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031149/publication.txt
observed 33b6a20f845036e2535fd794a2a03c97...
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.