OpenTechnical

OT-2026-000012859

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000012859) never changes.

Identity and time

Publication numberOT-2026-000012859 · never reused
Internal UUID01a0ae6d-5563-7a82-8491-7fb50c4d0082 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012859
StatusPUBLIC

Content hashes

Canonical textfcbbe190469cbd75c8c4670fe6ce2347d777e079132e7fd04a2637b4a5c2ed2f
Markdownc6f631c087cc6dc978cba2d2cccd9080080ee9a63d93e4ddab5b43f9fa36f013
PDF
Publication page044204ba0107f673189ab0691f1ebc4dffef6d29be046578fd1d31342c37fcfd
Manifestd7607fa2604eee4f90a3022f730cfb1a1c515a6ae06e642b59391bf882814aa0

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
SignatureFir14VKCP08yYx2bOXP6z+Gi74fteJJqutqCTJT6azfnqQLsyhKTcL1O0HSVkgFF1BRjyD7phEYABRfP6/7dDQ==
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

2026-09-17T12:10:38.373144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012859
observed 044204ba0107f673189ab0691f1ebc4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.353822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012859/manifest.json
observed d7607fa2604eee4f90a3022f730cfb1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.333489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012859/publication.md
observed c6f631c087cc6dc978cba2d2cccd9080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.313745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012859/publication.txt
observed fcbbe190469cbd75c8c4670fe6ce2347...
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.