OpenTechnical

OT-2026-000059765

Publication integrity record

Single cup vacuum gripper, pump 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-2026-000059765) never changes.

Identity and time

Publication numberOT-2026-000059765 · never reused
Internal UUID01a0ae89-ec25-7df3-a054-941854a92a29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059765
StatusPUBLIC

Content hashes

Canonical text508476c7302fe57c73c0bab9a053df1373856b4dd8adf5ff6da90274964fabd7
Markdownc498a2fffed061b3923aee5c2c30fd8b22a1cd727b3b1461cd3347b202a74cea
PDF
Publication page686a4870b4bf8942a8187e31c10b583e7115f12e48e7379a74666890133bc571
Manifest1c5cba73e97d431d26e4ca93c0599ae05c89399c55c3895db9871ac2221619c7

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
SignaturekjcAEGble+Zs3fVJnoGV3Kly4wXrg2pJvCm3sh7fdEWH3v4Rg1zVJCIzteCgK/MwGUzVataEfybmeUOEVpsfCw==
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

2026-09-17T10:44:08.022671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059765
observed 686a4870b4bf8942a8187e31c10b583e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.998675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059765/manifest.json
observed 1c5cba73e97d431d26e4ca93c0599ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.917705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059765/publication.md
observed c498a2fffed061b3923aee5c2c30fd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:07.846865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059765/publication.txt
observed 508476c7302fe57c73c0bab9a053df13...
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.