OpenTechnical

OT-2026-000047662

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047662) never changes.

Identity and time

Publication numberOT-2026-000047662 · never reused
Internal UUID01a0ae7f-c41e-7e95-98e7-7d67bd7754b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047662
StatusPUBLIC

Content hashes

Canonical textbd0509dae77353c8e33fbb57882b7174c7b00220165ed81c0be64e948e2d2161
Markdownbdc088ee845bc88ef5ab76372aceaef7019ccabfbb444c8c98a7a277493635ee
PDF
Publication page3f2cbc858dd394069c24c733bdc82b45b8ff1bae24b6181cfb399b6d4f52ad3b
Manifestfcb6103d4f1dd907516b3456d4606f3319cf8661a10f89f310e8b7d527cd1aec

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
SignatureZ4BqHlameA7r+/gONoB74Y12J5jFY12QgRs0YLHscPsS2tYVSIBAGkAWp9eti5GLr4JAnDJ5F9sCDNOEInPaAA==
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

2026-09-17T11:05:30.099892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047662
observed 3f2cbc858dd394069c24c733bdc82b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.079823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047662/manifest.json
observed fcb6103d4f1dd907516b3456d4606f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.059611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047662/publication.md
observed bdc088ee845bc88ef5ab76372aceaef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.041625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047662/publication.txt
observed bd0509dae77353c8e33fbb57882b7174...
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.