OpenTechnical

OT-2026-000022300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000022300) never changes.

Identity and time

Publication numberOT-2026-000022300 · never reused
Internal UUID01a0ae6f-f4fc-7105-aacf-0fc67086dd35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022300
StatusPUBLIC

Content hashes

Canonical text3700bf3667d0ee0b429c05b315186a1e319a747340c4a4fa6f20635074ba37f5
Markdownac65d0a7ad2a870672c1bb8bc50d13037f020922ccbb4478133c02657348e8c7
PDF
Publication page7f4732409e75824b609e4520d17d422fef7973e3715d86ccb90ab8465a1713d8
Manifest3cf3307e7099e4255a03db8b86dc924a768d62c565683a1b17a600b479669d76

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
SignatureZYokXHYpMlvQPRYI7363eIxSxDjsa/kKDNshWvCg41PDWNxNGNwSIdEMrWgsb27piSnx+LbirVrnl0J2X7YZBw==
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

2026-09-17T11:53:06.270096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022300
observed 7f4732409e75824b609e4520d17d422f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.251529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022300/manifest.json
observed 3cf3307e7099e4255a03db8b86dc924a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.231889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022300/publication.md
observed ac65d0a7ad2a870672c1bb8bc50d1303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:06.212098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022300/publication.txt
observed 3700bf3667d0ee0b429c05b315186a1e...
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.