OpenTechnical

OT-2026-000017287

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017287) never changes.

Identity and time

Publication numberOT-2026-000017287 · never reused
Internal UUID01a0ae6e-76c8-7948-b264-54e03db87948 · 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-2026-000017287
StatusPUBLIC

Content hashes

Canonical text3030e3f8207caa4648c0025a8130d2f81501f4b2eeb3850779459eee70365a38
Markdown2ae5c1dd0a0f16319baa3ef5045611ecb8e9323cdcf04013084841fd00b1dfaf
PDF
Publication page75b2b63eea073c1310fdd4884add19df749bbee409052c118717a909f8b62aa3
Manifesta1dce6f196ad622d93e7af1cd250d720039ed025af849001db317055e0a6c953

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
SignatureXtv6Hz9/Vf+Ay7BzTVC9/ciON/0hQYV7i3DYbyW64uVQcUynRYprfmXLz7usbgmTYNz4cTVFFejdP1mdXYx3Bw==
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

2026-09-17T12:02:23.072651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017287
observed 75b2b63eea073c1310fdd4884add19df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.053514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017287/manifest.json
observed a1dce6f196ad622d93e7af1cd250d720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.035185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017287/publication.md
observed 2ae5c1dd0a0f16319baa3ef5045611ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.016615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017287/publication.txt
observed 3030e3f8207caa4648c0025a8130d2f8...
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.