OpenTechnical

OT-2026-000012559

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed blow-off before set-down

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-2026-000012559) never changes.

Identity and time

Publication numberOT-2026-000012559 · never reused
Internal UUID01a0ae6d-39f7-7f84-bed8-7a948c84aa30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012559
StatusPUBLIC

Content hashes

Canonical textab140aa72c5703c244459f72e4731e9cd0b5baeeaaf025289546395744730814
Markdown263ea513bac04ab8242cd5b0e1214d5563986482a4dec0790ef30b327f41d54f
PDF
Publication paged5fcc21d26138efd8f5b0e3344b62b3c87a108a56595b1e939db1aedd9d8567d
Manifest5d7a255e7dd8115f3bcf4468aca38cccd08f9d47623ff50802d767ff87ac3e08

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
Signaturej0hDRrpRgsWeMwN6kCtkydWuQz6oaKm3wR26hwl/F1sFwT+H6URPm1pizcQaSAf7BXL4631ko0DCDIIAoiXbDg==
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

2026-09-17T12:12:06.392084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012559
observed d5fcc21d26138efd8f5b0e3344b62b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.373802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012559/manifest.json
observed 5d7a255e7dd8115f3bcf4468aca38ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.354656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012559/publication.md
observed 263ea513bac04ab8242cd5b0e1214d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.334852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012559/publication.txt
observed ab140aa72c5703c244459f72e4731e9c...
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.