OpenTechnical

OT-2026-000061597

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000061597) never changes.

Identity and time

Publication numberOT-2026-000061597 · never reused
Internal UUID01a0ae8b-7b45-707c-94d6-3108071d6626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061597
StatusPUBLIC

Content hashes

Canonical textb1005ea96cdf04987aea2e86b95d4335550d0affea3b14f384aaf2b4334ca9d1
Markdownbcabf73622a0704efff4190520d675ab1330c5c10c3a3d1704ec3e850458c259
PDF
Publication pagecb328d7d0354f553a8e96ceb6e0a180688f1ae6fa00b78248d368d21f2e763b5
Manifest84b0fbd8aad8bf8b75c0291ddadc71fa8c658350502b39e5720ef8c46db4cc61

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
SignatureF69HuWPge5NVegNDXIANb18662jqL/GGpN75A5xTSZX1x4H7zy2IfgcswDeRF5a03j4iWGXFpMlVSWWXcDY2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:31.403386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061597
observed cb328d7d0354f553a8e96ceb6e0a1806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.384622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061597/manifest.json
observed 84b0fbd8aad8bf8b75c0291ddadc71fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.361555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061597/publication.md
observed bcabf73622a0704efff4190520d675ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.274399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061597/publication.txt
observed b1005ea96cdf04987aea2e86b95d4335...
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.