OpenTechnical

OT-2026-000022604

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000022604) never changes.

Identity and time

Publication numberOT-2026-000022604 · never reused
Internal UUID01a0ae70-46e8-7d82-aba1-7a1a7dfc139e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022604
StatusPUBLIC

Content hashes

Canonical textcf56c28e8f02d5a6161a7cb78f43cd4f3e289e5315524bb4268dbed327b438ab
Markdown1037ec4834662a746de83bfda12a9f88856ab4b27183cc2dbac7c32e40d63a1f
PDF
Publication page1de61f506123c0adb02d751531071a7f90fa40502145d60eb1ec605108f2c33d
Manifest21850697b11f2dae5fe6b74773d3ac81b871b9fad58fc9d3888dc92794cc0cc2

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
SignaturetibASWK+Q008P4+toP81oS/dECOnvO7IxxkZ7C6687EeqnxtKe4TcHpvQ8UOtGOJo0mkpnmfHBWAgrsl4xWtBA==
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

2026-09-17T11:51:58.427993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022604
observed 1de61f506123c0adb02d751531071a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.410725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022604/manifest.json
observed 21850697b11f2dae5fe6b74773d3ac81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.393495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022604/publication.md
observed 1037ec4834662a746de83bfda12a9f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.376436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022604/publication.txt
observed cf56c28e8f02d5a6161a7cb78f43cd4f...
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.