OpenTechnical

OT-2026-000034683

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000034683) never changes.

Identity and time

Publication numberOT-2026-000034683 · never reused
Internal UUID01a0ae76-1ed1-77ea-bd2a-7708960b0abf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034683
StatusPUBLIC

Content hashes

Canonical text1f1b06da9ad13573158eef48c92fd21100e5dbd8fa8e1188b303e08fe8992d13
Markdownf12e6c363c5fb06941bb8fdb0df4ddc357c7c272fd0ca29038628ea89d0e3111
PDF
Publication page8df80487fd2941bc2a57f5cda7d77d24b3ed24d02ce8d694fda59ab2b05df13e
Manifest6678b761461f02b6942ff9fdc3f7edfe964e55a7e8ff707e06d626e5192c46cc

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
Signature26wcF4Y3Hw/yTu9y50jR5GEKHywEArqS4SspSMjoAdgOjKd5O9pmMtmPmmFwlelaYeR/+E+rfhYfGuO2eWRzDw==
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

2026-09-17T11:29:05.592307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034683
observed 8df80487fd2941bc2a57f5cda7d77d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.570860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034683/manifest.json
observed 6678b761461f02b6942ff9fdc3f7edfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.553441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034683/publication.md
observed f12e6c363c5fb06941bb8fdb0df4ddc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.515404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034683/publication.txt
observed 1f1b06da9ad13573158eef48c92fd211...
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.