OpenTechnical

OT-2026-000104075

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000104075) never changes.

Identity and time

Publication numberOT-2026-000104075 · never reused
Internal UUID01a0aea5-341e-7937-845f-bbc3912afa9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104075
StatusPUBLIC

Content hashes

Canonical textb9f9362804088da6293508b7f61c174f273df0f7f899e5913aa7885cba14380d
Markdownd3e0fab44649afa08fbfe94314d4f43d4402f8e514df053fdd3813a890933e50
PDF
Publication page8213125f672516f717f24c0b4d6c0e317f214f709fa87d531b854700f73a7306
Manifeste0465e643841bf4cef20f8001f6a59fcbd3c5bb6132d1355f474c52186ee90e1

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
Signature1/0JOhW4RIMpKXIsktgEgrFV5yM1NK3ApHna/qpBMOA+8lcXmh5moTUjpxq4+suv3pvBCG6ZMBgPilMlEySaAQ==
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

2026-09-17T09:20:08.667057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104075
observed 8213125f672516f717f24c0b4d6c0e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.649557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104075/manifest.json
observed e0465e643841bf4cef20f8001f6a59fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.633136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104075/publication.md
observed d3e0fab44649afa08fbfe94314d4f43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.617001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104075/publication.txt
observed b9f9362804088da6293508b7f61c174f...
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.