OpenTechnical

OT-2026-000017201

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line 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-2026-000017201) never changes.

Identity and time

Publication numberOT-2026-000017201 · never reused
Internal UUID01a0ae6e-76c7-726f-8c56-cf2971edf2ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017201
StatusPUBLIC

Content hashes

Canonical texte89b83b1efe52d5deebf997b81265826f8ee6cc1d474729111c0614ce1ccecab
Markdown4dea0bfa389aef4a341dc64103fd909d4ca3bbe2a8c72f78bb6ea663c70e7712
PDF
Publication pagee937fd4bf0dbd2144b57042d96cee5550b5e77e7b551b922fc0faa81f05ecc77
Manifest2b457c3677beb8b2018f9b6f3d27e08173bfa2aa20c1cfbf16953650c1855fba

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
Signaturek9gv9y5QfInlsVM5NVBtBZwyl9zw4y0Pp7lyNWhoOVlfY2SFMfR3KP91Cy+vF6hdr9d1dFb81++LC9cxyn9uDA==
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

2026-09-17T12:02:16.497810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017201
observed e937fd4bf0dbd2144b57042d96cee555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.479806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017201/manifest.json
observed 2b457c3677beb8b2018f9b6f3d27e081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.464252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017201/publication.md
observed 4dea0bfa389aef4a341dc64103fd909d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.448460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017201/publication.txt
observed e89b83b1efe52d5deebf997b81265826...
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.