OpenTechnical

OT-2026-000061837

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000061837) never changes.

Identity and time

Publication numberOT-2026-000061837 · never reused
Internal UUID01a0ae8b-b8ac-7fc1-b753-35e73c9b3459 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061837
StatusPUBLIC

Content hashes

Canonical text8c2f5e49ba34fa45494f0af877dc13800af24943092dd0883194a74b55effb26
Markdown44b1ab6fbf6ca63ad4ef192d642ecbb6ec113cffa6e0473f772f5295cde71a30
PDF
Publication page3803d69f2a9d278e5615bbcde7d64a04b6feec433be8505be93fa1201981c463
Manifestfb705d66041ddb2a5f9bfead6763d5ac6a69e52dc899769af562d9f6d6c161c2

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
SignatureAhavxXHwwMDWH4V66DX6hpWuyca6kta996lvgnTRYT2NbK6I3nr211KaBILyrVc48m5I6rQYTi+ZKndBcoIeCA==
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

2026-09-17T10:40:34.798091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061837
observed 3803d69f2a9d278e5615bbcde7d64a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.775682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061837/manifest.json
observed fb705d66041ddb2a5f9bfead6763d5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.754697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061837/publication.md
observed 44b1ab6fbf6ca63ad4ef192d642ecbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.735584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061837/publication.txt
observed 8c2f5e49ba34fa45494f0af877dc1380...
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.