OpenTechnical

OT-2026-000100336

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100336) never changes.

Identity and time

Publication numberOT-2026-000100336 · never reused
Internal UUID01a0aea3-3054-7700-b7df-fde8134f190b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100336
StatusPUBLIC

Content hashes

Canonical textcdc7837e2ab90440bd7d3c4f4e952f3aad75c070aea46740da32630898bc68a4
Markdownce2740e55d6c489101cb254b9b9c8564e4e5cc777cea33b57574c07b9e075dd9
PDF
Publication page19fa6f618c70e9d0b8b425b429a8acf00501f7ba3fa4451c6cf53f8899a60c0f
Manifestb31c73e37dc664fc793339ae01f8b6f9cb7857f829d9f545605b91d84be267db

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
Signaturei3756qY/ZphMCJhtKom854C1bkcIxIrYWIPexaMRTsMrgUy+naNR+cOjh2nnH/YrlFUojIEPh5sK8zYy/ii2BA==
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

2026-09-17T09:30:16.900775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336
observed 19fa6f618c70e9d0b8b425b429a8acf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.880634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336/manifest.json
observed b31c73e37dc664fc793339ae01f8b6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.860636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336/publication.md
observed ce2740e55d6c489101cb254b9b9c8564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.834643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336/publication.txt
observed cdc7837e2ab90440bd7d3c4f4e952f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.343558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336
observed 19fa6f618c70e9d0b8b425b429a8acf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.324862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336/manifest.json
observed b31c73e37dc664fc793339ae01f8b6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.306306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336/publication.md
observed ce2740e55d6c489101cb254b9b9c8564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.288175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100336/publication.txt
observed cdc7837e2ab90440bd7d3c4f4e952f3a...
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.