OpenTechnical

OT-2026-000017873

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000017873) never changes.

Identity and time

Publication numberOT-2026-000017873 · never reused
Internal UUID01a0ae6e-96fb-7fa6-97e4-fb47aa67aedb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017873
StatusPUBLIC

Content hashes

Canonical text00ab9b84047a4210a191e3626c979201082d1c0c44821d614eb25a544b883cfe
Markdown06e86709fafb28ae2588688748d199071a283441ae8475d45b5782c4453d669f
PDF
Publication pageaa3a2bb10798667c5303f8f35303326642f257f75212a259cb789dd94cf8e02c
Manifestfa0e48ad85bea8d587ce253ef603e7aafe4a8ee9e6d9d4bc5abcd9344c11f4d6

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
SignatureETGoQEB9npvmb0KhLs4BTOsIUIri7wcjJ9StqCnmvM3Uy7tn0xEYab1U1veMv6ycantQdOoVqOIRD33qv6cHDw==
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

2026-09-17T12:01:51.563394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017873
observed aa3a2bb10798667c5303f8f353033266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.546901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017873/manifest.json
observed fa0e48ad85bea8d587ce253ef603e7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.531072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017873/publication.md
observed 06e86709fafb28ae2588688748d19907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.514769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017873/publication.txt
observed 00ab9b84047a4210a191e3626c979201...
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.