OpenTechnical

OT-2026-000051571

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000051571) never changes.

Identity and time

Publication numberOT-2026-000051571 · never reused
Internal UUID01a0ae83-7c81-7609-bb3d-fa18d2b2a925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051571
StatusPUBLIC

Content hashes

Canonical textddae95ecd8900ea95f639aebd3c8291df56781288a51975efbfbe490a7f4bbf4
Markdown948c4e34204f07343966505ad2f832ea471a327ed19334da2a82d04000ba7167
PDF
Publication pagea0acbf5abd5739f38dc1bdd592063b57299ee5899033cf6c3cba32266b09c694
Manifest383a99bc9a769b7c289322b82bac477b2f70dd28df33bf174d3dc5705085e247

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
SignatureWTsOhS3uEAbmmy3vNkVftQfQEYfLeJYJXBzaYqjyOrP5963GbKAh7fleBhBmp6721LY2keTk4oaDI72WZNfkCA==
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

2026-09-17T10:58:24.710746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051571
observed a0acbf5abd5739f38dc1bdd592063b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.692567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051571/manifest.json
observed 383a99bc9a769b7c289322b82bac477b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.673879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051571/publication.md
observed 948c4e34204f07343966505ad2f832ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.652561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051571/publication.txt
observed ddae95ecd8900ea95f639aebd3c8291d...
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.