OpenTechnical

OT-2026-000014813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000014813) never changes.

Identity and time

Publication numberOT-2026-000014813 · never reused
Internal UUID01a0ae6d-d094-7008-9b46-ed85127ddbe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014813
StatusPUBLIC

Content hashes

Canonical text0dcd8cb1b454f9b96eb61a4c2a07662f9f6ea6345c17bc75cc327aa67ce7de07
Markdown70f369a97f9054c13b99f0561b92b929d64cb7c39afce389f9a328ea605dedcb
PDF
Publication page24fca2c89e9229a9e308ce7563af31c2d28847b1f70104ec2bead01a9f51b723
Manifest1f1087b6480ff1a480dc540566da91dc29be66bf4534a2306fe15c5b333c15cc

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
Signature0jsEQby4hovGdLXUb/RgClC4oW3MzaylGUBruN+/mfwQ/0p+CViQjXniQ5nAKMfC6b0rkEAoMAeo2MCaqWHUCg==
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

2026-09-17T08:41:51.258169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014813
observed 24fca2c89e9229a9e308ce7563af31c2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:50.794324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014813/manifest.json
observed 1f1087b6480ff1a480dc540566da91dc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:50.549584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014813/publication.md
observed 70f369a97f9054c13b99f0561b92b929...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:50.236325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014813/publication.txt
observed 0dcd8cb1b454f9b96eb61a4c2a07662f...
fetched by grabo-systems from 34.44.131.203, 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.