OpenTechnical

OT-2026-000048912

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048912) never changes.

Identity and time

Publication numberOT-2026-000048912 · never reused
Internal UUID01a0ae81-134b-7605-85ef-968818c1279b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048912
StatusPUBLIC

Content hashes

Canonical textef76143fec16966338d339d7ccd1ff1adae33c39f78995c0d25947d5b408c649
Markdown6b14554bfa0647ca27865ce4b20be9d48adb2a897ede77e8f5d21fc58611381f
PDF
Publication page7e1f53f6d82177c221d43c3a42f44d2091f9b8f19f303a608d0a22923844aeaa
Manifest5793addf0241dd5f30c10deed52732080725223ecb3375504a9e3ddd37bd3ce5

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
Signaturey4+ANxMIUr40qJ5Qc7kbEddB/c49JgiSnyfL0qoe4GzZoBO+e9uBoSndOz5Zet1dvWTr1Og0Z6U7QIAX+z9UCA==
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

2026-09-17T11:03:05.120482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048912
observed 7e1f53f6d82177c221d43c3a42f44d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.101893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048912/manifest.json
observed 5793addf0241dd5f30c10deed5273208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.083682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048912/publication.md
observed 6b14554bfa0647ca27865ce4b20be9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.064145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048912/publication.txt
observed ef76143fec16966338d339d7ccd1ff1a...
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.