OpenTechnical

OT-2026-000023058

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000023058) never changes.

Identity and time

Publication numberOT-2026-000023058 · never reused
Internal UUID01a0ae70-46ec-719e-a80b-38eb05ebb891 · 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-2026-000023058
StatusPUBLIC

Content hashes

Canonical texte5b3d713a97aee90f3b69550a33e516d5e1f5b4c7abe89d6ca6297128dd088ef
Markdown5543ac29cfcdd0afbd4ed67349320a3e7e6cd0280cd67600a2980fa35c95aa00
PDF
Publication page7113a61221cd9d811aa99505f5d32d1e80783bc5c7f96d181e19fc9f399363f9
Manifestcfc06996c193df7315955c9edcc007a248ebcacd2d90ef143d0271d8cb5792ed

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
SignatureHlCf45Cj+zZWApnf2p4kGZiLs5lFsUBi8MVmPDmgrUuwBO2OBjB+P4Xzcj27X/jszFbE6+9kEh4oCSDwzNWdAg==
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

2026-09-17T11:52:40.005681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023058
observed 7113a61221cd9d811aa99505f5d32d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.984754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023058/manifest.json
observed cfc06996c193df7315955c9edcc007a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.966392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023058/publication.md
observed 5543ac29cfcdd0afbd4ed67349320a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.947389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023058/publication.txt
observed e5b3d713a97aee90f3b69550a33e516d...
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.