OpenTechnical

OT-2026-000047397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000047397) never changes.

Identity and time

Publication numberOT-2026-000047397 · never reused
Internal UUID01a0ae7f-3e57-7a79-9929-fd39d96764dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047397
StatusPUBLIC

Content hashes

Canonical textd3b43aad95dd97def0b33e5bd99991ad1d335e15b3ac481b72746773027f2e5c
Markdown804bb5be4693898a15da0162c4246c3dff4c654008641f4ea46e66fd31242491
PDF
Publication pagec7c3f511b3d247213d1207b377fca83ca0be42f25bf0c14b66e943ed8c3d9f4d
Manifestc592fc3474f82626a0ec9ce7eb7a4ba0bbbf25cc3cf7e4bf45e19bf2e5a362a5

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
SignatureZlXq6w2wkkfzWbbksEZSDVyBCOgZChKqcPtWnUH4xcNFXFL3ewCyfqLr0vO4MRVvinwfmhewDyEtjHr6B9BwCw==
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

2026-09-17T11:06:24.550390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047397
observed c7c3f511b3d247213d1207b377fca83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.533224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047397/manifest.json
observed c592fc3474f82626a0ec9ce7eb7a4ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.514733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047397/publication.md
observed 804bb5be4693898a15da0162c4246c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.495415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047397/publication.txt
observed d3b43aad95dd97def0b33e5bd99991ad...
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.