OpenTechnical

OT-2026-000100880

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100880) never changes.

Identity and time

Publication numberOT-2026-000100880 · never reused
Internal UUID01a0aea3-c376-7085-8e5b-7c204f43b53d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100880
StatusPUBLIC

Content hashes

Canonical textea71760e40af24143f2ace283a075419a3924bd184744a83c514cc18c6f4d653
Markdowna88af634dbeb521ca7f71ed175bbb0daceaa509a4529a2b9e4c8e4c90538b72e
PDF
Publication page4b42870d6c1cbb0d3e467dcc5995454a06489acfe0a3710980eaede29649667f
Manifest6c69f98316a14faa15d72cfbf4ab13bf0ea44d59bc212c43cb809294b7b70d98

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
Signature+WMr/Fan9qsjAPOIKXmr++2qdvjBX+/M6xKi0t1IfL9CCDu1LdaN7fWH9i19vTX2in+LhxpSO+VjOdUy6ZvIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:22.184548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100880
observed 4b42870d6c1cbb0d3e467dcc5995454a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.166680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100880/manifest.json
observed 6c69f98316a14faa15d72cfbf4ab13bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.149161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100880/publication.md
observed a88af634dbeb521ca7f71ed175bbb0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.130032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100880/publication.txt
observed ea71760e40af24143f2ace283a075419...
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.