OpenTechnical

OT-2026-000050165

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000050165) never changes.

Identity and time

Publication numberOT-2026-000050165 · never reused
Internal UUID01a0ae82-5c45-7c97-bcbe-27b2a7928a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050165
StatusPUBLIC

Content hashes

Canonical text0ac3aa5e27eb863bd1842013bda4783710c33ebddf723565e9da52bfa45a3f3e
Markdown2c3472f4eea2af94348f26b815f44976a9a61197b348f20f07ed68a31f73591e
PDF
Publication pagec22dbc2351f41ae1e30c1f2740c33167ff2cd63b1fe589214aa2d6688d6644cb
Manifest5689c36f09fcef460c14e33295aea5c783387e5f667b36120896450c31ec5663

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
Signaturevw6I5zcIpV1tdxrBZEqvuoiJt4N6QIj4OHkTqmRgx0l7DOFwjNNjfl4NB4zF0SANg0Rfvoz0eWRZcWHY30SuAg==
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

2026-09-17T11:01:08.585339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050165
observed c22dbc2351f41ae1e30c1f2740c33167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.565854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050165/manifest.json
observed 5689c36f09fcef460c14e33295aea5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.546073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050165/publication.md
observed 2c3472f4eea2af94348f26b815f44976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.527570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050165/publication.txt
observed 0ac3aa5e27eb863bd1842013bda47837...
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.