OpenTechnical

OT-2026-000013023

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000013023) never changes.

Identity and time

Publication numberOT-2026-000013023 · never reused
Internal UUID01a0ae6d-5564-7697-bada-42f3728d8a46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013023
StatusPUBLIC

Content hashes

Canonical text63ae52726b4c4b7b40d9a10e8020897ad8e5b514c4c8e97a5d75a7c7d8d29057
Markdown4042c9f202a69fc506b7c627ef35be9f117f15f0d51c1852bca50f441cdef4e2
PDF
Publication pagef6e58a1d0b3825b0d3c02351febe7deca3db5e3c2b401ddb6d9102e70b1a2821
Manifestae456fe05c5c7e007edff95d6bd56ca0c53f7d2dd365dc87506b6d2ec6a371a4

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
SignatureIFfftdT3r3Yg/Sq9VT9om/d+r4lMsKntJSm+z/kihONfyyPkk+bCrlvtd0iOyFNOFq6Z/54Uiz8Al0A0Sl1UBA==
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

2026-09-17T12:10:50.943715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013023
observed f6e58a1d0b3825b0d3c02351febe7dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.916015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013023/manifest.json
observed ae456fe05c5c7e007edff95d6bd56ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.896134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013023/publication.md
observed 4042c9f202a69fc506b7c627ef35be9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.868902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013023/publication.txt
observed 63ae52726b4c4b7b40d9a10e8020897a...
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.