OpenTechnical

OT-2026-000010747

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000010747) never changes.

Identity and time

Publication numberOT-2026-000010747 · never reused
Internal UUID01a0ae6c-0ee8-78b7-87d4-8a07efaf75ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010747
StatusPUBLIC

Content hashes

Canonical text7602a81c3a54c6c663eb36e68f83c70075c724051319b3a5abbf8f81162bb70b
Markdown5b6577ced1a2ad1e58740eb3c421dec4f300578541683d4a4752e86f6feaa9ee
PDF
Publication page2e2ab2964acc62bd9904ff575ddc620e859cae60fcbbadb37e41d16d82bc64a8
Manifest0a4e025651fde139ed7ed8b4f669d3e243ab6adb2cf9ed904180b199ac91ed56

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
SignatureJR8Yy3BzpWiTCuUDaXUEfl8xumBaiolE05MDHB22RCZsd2gApAZLRmCcYqsw3tqlW9++Gcfhd7lrzt9HhOOcCg==
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

2026-09-17T12:14:58.704018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010747
observed 2e2ab2964acc62bd9904ff575ddc620e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.684692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010747/manifest.json
observed 0a4e025651fde139ed7ed8b4f669d3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.666134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010747/publication.md
observed 5b6577ced1a2ad1e58740eb3c421dec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.647674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010747/publication.txt
observed 7602a81c3a54c6c663eb36e68f83c700...
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.