OpenTechnical

OT-2026-000016013

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000016013) never changes.

Identity and time

Publication numberOT-2026-000016013 · never reused
Internal UUID01a0ae6e-0c4d-77b6-92bb-6b8fb3b957c9 · 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-2026-000016013
StatusPUBLIC

Content hashes

Canonical text598dbc3bc703c159c44d2ee0dc5be23f4b4a13d38c9049db8000c95d83c3374e
Markdowne7fcf5213741d24b693a0e7d12f2323e3dbf022b9b8d96150557b7b501a53f93
PDF
Publication paged1376b96262bd6acdf88db8ee9a572652471ef5b1dbbb2f25db2596cf59426df
Manifest4852704be4b31628c562052afd5ccec4a5d2ee01ea590bde3cbdf9815f295ff3

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
Signaturel8qswen9rmXjSIwYO5JbqJk/Ehxfnwi5yiEZk6uwhneduC8mH50mwJRBQCCFzSMrGpmm9n2MqYp9O5apuSmvDA==
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

2026-09-17T12:05:33.241462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016013
observed d1376b96262bd6acdf88db8ee9a57265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.219542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016013/manifest.json
observed 4852704be4b31628c562052afd5ccec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.198626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016013/publication.md
observed e7fcf5213741d24b693a0e7d12f2323e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.174827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016013/publication.txt
observed 598dbc3bc703c159c44d2ee0dc5be23f...
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.