OpenTechnical

OT-2026-000034253

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000034253) never changes.

Identity and time

Publication numberOT-2026-000034253 · never reused
Internal UUID01a0ae75-df0d-767b-a29b-61119b56ae50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034253
StatusPUBLIC

Content hashes

Canonical text11e9e14d53c44075241c7d0cdeadc6f589e362bab606f23e70da2a16366f7e01
Markdowne20202965937efd4c6da016626df84484154ba632c0351656d92039d92265749
PDF
Publication page8d38c32db50d2257e947f48d59b2a881c1a47e84c3e89c32e59f6e30651d7f07
Manifest31d25ae7495078a680d955c8de7fce998b126fa0e18eedbd54ac5542acc48cd6

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
SignatureOIQbwwnYJ5RUjX9kiy3VomgLB6haJ+CwL4L0irzYCR6Xb3yT74NySD0BoZ1vg4CXCgNSzgxtSujDoDN3sp7mDQ==
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

2026-09-17T11:30:48.632719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034253
observed 8d38c32db50d2257e947f48d59b2a881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.615072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034253/manifest.json
observed 31d25ae7495078a680d955c8de7fce99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.597512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034253/publication.md
observed e20202965937efd4c6da016626df8448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.581835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034253/publication.txt
observed 11e9e14d53c44075241c7d0cdeadc6f5...
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.