OpenTechnical

OT-2026-000011933

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000011933) never changes.

Identity and time

Publication numberOT-2026-000011933 · never reused
Internal UUID01a0ae6d-1942-7e4f-a300-0ec836053fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011933
StatusPUBLIC

Content hashes

Canonical textb134138d1424f104fd68e9f6b8b210ca78f7a38d8362c7aaf52d69ceadafa485
Markdown2f4a7a8c1873b3fdb14aefc0ba2746530d333f4071a2dbc2bb467f60f77983cc
PDF
Publication page10798c83c4409c6cb3d1ed62e47c5062085fc93194b4fdd211866a0548239ac8
Manifest518fecac9b1e0f942a91ab27f2ed8d11b844dc269655b72b8795f33c09983671

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
SignaturecSEPAWGBD1oSQkqkqLRyZlczXvbTxYePR5qwf4HQhdfBLmF0DaQPt6A/AweYilS4JY3H1S++kc1FsfRTrMo4Ag==
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

2026-09-17T12:12:42.222876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011933
observed 10798c83c4409c6cb3d1ed62e47c5062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.204675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011933/manifest.json
observed 518fecac9b1e0f942a91ab27f2ed8d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.185716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011933/publication.md
observed 2f4a7a8c1873b3fdb14aefc0ba274653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.166104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011933/publication.txt
observed b134138d1424f104fd68e9f6b8b210ca...
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.