OpenTechnical

OT-2026-000015984

Publication integrity record

Four bellows cup vacuum gripper, 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-2026-000015984) never changes.

Identity and time

Publication numberOT-2026-000015984 · never reused
Internal UUID01a0ae6e-0c4d-7a2a-8ae7-c1a9d38019cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015984
StatusPUBLIC

Content hashes

Canonical text0b18447a6f59f424d283376299dcea78ee5ec954bcfa2c7234b16b4cc4df0f22
Markdown67577767dc1eaa2b1523a7150b9f5fd87ab39e8cf4c36053dd6ddfe6cfd8308e
PDF
Publication page168f6083be961b5d045f4929ca2d6dd35a83e07660be25d15632f29ef4eda90c
Manifesta841af2a1f6b2dafcd1e7d726ac40de81004a292b3675c341c481e763b6afd24

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
SignaturebpqljmXZGwzAJeAN7LSL9wZnLwKW67HI89BEi8idqFyP28OcMYSMpK/4s6VZkSMdrCqiro2Sr5g8tYM3CewOCw==
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

2026-09-17T12:05:29.833118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015984
observed 168f6083be961b5d045f4929ca2d6dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.805826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015984/manifest.json
observed a841af2a1f6b2dafcd1e7d726ac40de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.781157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015984/publication.md
observed 67577767dc1eaa2b1523a7150b9f5fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.757893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015984/publication.txt
observed 0b18447a6f59f424d283376299dcea78...
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.