OpenTechnical

OT-2026-000011424

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, vented after 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-2026-000011424) never changes.

Identity and time

Publication numberOT-2026-000011424 · never reused
Internal UUID01a0ae6c-88fe-7aac-abb5-79ebe2ef96da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011424
StatusPUBLIC

Content hashes

Canonical text79c8e818181bde4e41462be32cdcc079af1c2e1b22a3f104c10490ef8d9025aa
Markdown61e047e85ad4a818370a176b632cae897ea9b4aaf347f2f7110e4516aecb243a
PDF
Publication page2e00f7d4c006c9a4996ef0a95ecac5449de50777751b269e8cb577b1217107a4
Manifest8f39250746c2dce9f91359c0d703c4721b0865874288756a45eb2d846872776a

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
SignaturedOAZYkf3NMUiWyZFIS123/zGJYmjWphm06imhHYgMMx45hDcfVGzaORNODh6oA7O/XnmpkLukL3CWlPnrovPBQ==
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

2026-09-17T12:13:10.785862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011424
observed 2e00f7d4c006c9a4996ef0a95ecac544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.767986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011424/manifest.json
observed 8f39250746c2dce9f91359c0d703c472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.748543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011424/publication.md
observed 61e047e85ad4a818370a176b632cae89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.728903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011424/publication.txt
observed 79c8e818181bde4e41462be32cdcc079...
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.