OpenTechnical

OT-2026-000012729

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000012729) never changes.

Identity and time

Publication numberOT-2026-000012729 · never reused
Internal UUID01a0ae6d-5562-764c-962e-78d1a36daf9d · 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-2026-000012729
StatusPUBLIC

Content hashes

Canonical text686174d8c22fd4b8989d59bf8a79117ef47198a3a44b844eee8d44a88d14800d
Markdown4d18def004bb9d4b385da338cabb036705adde5e9cc64a458633c5aa1d0500f3
PDF
Publication pagec096ee7f6852feac8fabbcdb804bea755ed008179fbcf28d485dbbf5ddbf6ad6
Manifest96ad595a346ecd8c676c44ab54498eead35b51ac45f49b9c78b21e1ebf8a07da

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
SignatureyNIlj3Nhj1LIjgVYgQghoFHSqZZejdTb0gUxLsivi66WOOIGjBDCItb+mvn/CpcHMzrLhzNLX/anF4uKeqOJCA==
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

2026-09-17T12:10:23.888556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012729
observed c096ee7f6852feac8fabbcdb804bea75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.868691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012729/manifest.json
observed 96ad595a346ecd8c676c44ab54498eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.852119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012729/publication.md
observed 4d18def004bb9d4b385da338cabb0367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.831738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012729/publication.txt
observed 686174d8c22fd4b8989d59bf8a79117e...
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.