OpenTechnical

OT-2026-000020629

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000020629) never changes.

Identity and time

Publication numberOT-2026-000020629 · never reused
Internal UUID01a0ae6f-65e1-7570-bdd1-7cce7ed77f1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020629
StatusPUBLIC

Content hashes

Canonical textc443432f6f90c3dc3af4a0d02ab1e97861ef6ee18ff4ab675e9425459766f5fc
Markdownb2b0deb10a958c5f679604f6a4aa08afc8d110be941961c49550b4b80b1968f4
PDF
Publication page64682ee2cf48ec63281642a7cf2b12173c55dbe2853c4a7d7c35ebd973263c59
Manifest03e008cc39387cb4aea353e7e99143d1512edce17a20d2ee71586b83396350bd

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
SignatureuuFdY7Zbt2CkbDQg99GCbPdFKPmuiIpO24nnPW0mFrshGGR3OzfLkw5cKh79NRYsMzeTWvdJMGFmxd5YL55QBA==
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

2026-09-17T11:55:34.587618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020629
observed 64682ee2cf48ec63281642a7cf2b1217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.570478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020629/manifest.json
observed 03e008cc39387cb4aea353e7e99143d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.552913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020629/publication.md
observed b2b0deb10a958c5f679604f6a4aa08af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.535786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020629/publication.txt
observed c443432f6f90c3dc3af4a0d02ab1e978...
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.