OpenTechnical

OT-2026-000010451

Publication integrity record

Two finger pneumatic gripper

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-2026-000010451) never changes.

Identity and time

Publication numberOT-2026-000010451 · never reused
Internal UUID01a0ae6c-0ee6-7dd2-bc45-71cbb5bdf7c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010451
StatusPUBLIC

Content hashes

Canonical textd6087854a50800c0909408d95011a156216cc08e41f145865f4583da71523ade
Markdownbe4dea9fff900565d75bdc20827f0b7e3feff6c0ef1ad9d04660070a5254efc8
PDF
Publication page86a60c64165932afce71048c24e7ace8347451da559ff63124929f45eaea2ebc
Manifest288c6157b006fb4270cf7ae8fe13507024b1df2411f5c7cc66dfac8da3e70d39

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
SignaturendWcWmjAjW2djB8d2eMsQmJdUGuGCxVHWbzAZQglucl29XLSl49ATBXamLifNeVAq9gJgaQ3nUKk248M+plRBg==
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

2026-09-17T12:14:35.222748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010451
observed 86a60c64165932afce71048c24e7ace8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.203944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010451/manifest.json
observed 288c6157b006fb4270cf7ae8fe135070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.184006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010451/publication.md
observed be4dea9fff900565d75bdc20827f0b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.165505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010451/publication.txt
observed d6087854a50800c0909408d95011a156...
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.