OpenTechnical

OT-2026-000018397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000018397) never changes.

Identity and time

Publication numberOT-2026-000018397 · never reused
Internal UUID01a0ae6e-b489-77a3-9f4c-929815df4cae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018397
StatusPUBLIC

Content hashes

Canonical textfc4aeae551f1b99bfd946e6682febd0538a9229f2364b21c186f2a9443e3b792
Markdown481c90c066223f332c6c3331877a614f67c10f9430dc96da22fb0c75895000f1
PDF
Publication page8da29cbf4e866fad06ad0d85c480674a610147143bb7a9c5b3f06b579393f19f
Manifest758ef259f7268398620392c17df25d54989216676e75ff32cbcdc2ef8b710be2

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
Signature9kqxJ0ab7tF2oJTU2xiMyHjXMf+KAK/t3WYRBcLFCP7jX0dtuP7i2TrsD1LNfEy0mkgN0jtINsqAoF+3OqapAA==
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

2026-09-17T12:01:08.338278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018397
observed 8da29cbf4e866fad06ad0d85c480674a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.322070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018397/manifest.json
observed 758ef259f7268398620392c17df25d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.303511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018397/publication.md
observed 481c90c066223f332c6c3331877a614f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.285885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018397/publication.txt
observed fc4aeae551f1b99bfd946e6682febd05...
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.