OpenTechnical

OT-2026-000007573

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000007573) never changes.

Identity and time

Publication numberOT-2026-000007573 · never reused
Internal UUID01a0ae62-4df7-7f80-ab8a-748329d202b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007573
StatusPUBLIC

Content hashes

Canonical textbd776a14aaa6925efe9aec5901844bb6a093e6f4384ec54a7516f7aa6b8c7a59
Markdown82f622054ce5e0152fdba52d056e6b938d2f361afb057d43467e7a74a69f43f8
PDF
Publication pageebe92016ee3c2135fdc1d0ccfde03c5b6a9710ce39b3658efb537d66a87ec118
Manifest927d3ea7ce890dcddab059084e2d18e873a5f98408caa563b6a93b022c359bb4

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
SignaturekN38+2itpI2POEAEC/TitcOadiMTqblvGSCD6iAL1/Oy+6C6rhz7EcZm6+qFMy4ABKa6eXvbJNJjiNuTwnnPAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:25.287866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007573
observed ebe92016ee3c2135fdc1d0ccfde03c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.269231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007573/manifest.json
observed 927d3ea7ce890dcddab059084e2d18e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.253717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007573/publication.md
observed 82f622054ce5e0152fdba52d056e6b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.237708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007573/publication.txt
observed bd776a14aaa6925efe9aec5901844bb6...
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.