OpenTechnical

OT-2026-000063401

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000063401) never changes.

Identity and time

Publication numberOT-2026-000063401 · never reused
Internal UUID01a0ae8c-f944-7339-ac28-bc2a9c9d6ce2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063401
StatusPUBLIC

Content hashes

Canonical text8cc8258ee3c8b876413f16c74004beec909fd3a80ea7dcdb5caf98e28ea7b675
Markdown7db4d06a30ad7d5efb411eb46a50120dc37d63aa1c1047857045a3bb5de22245
PDF
Publication page3ccbc24586ddcbcdab0eabc67b4219b8811b739a261e2a8d79f68503942529ac
Manifestda36d4c61275e4aea5302c31fe117c0a594a3d6c287f9b19c44783bb41672425

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
SignatureGpdk4M+c+A/5z853Ki5a+2QURzFuVPP3A8jtd9nNkhLjRhYoW5s1GF1RU+3j9gWXj8BrdwjhcpFfrlfGctPhBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:19.164516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063401
observed 3ccbc24586ddcbcdab0eabc67b4219b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.146325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063401/manifest.json
observed da36d4c61275e4aea5302c31fe117c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.129097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063401/publication.md
observed 7db4d06a30ad7d5efb411eb46a50120d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.112877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063401/publication.txt
observed 8cc8258ee3c8b876413f16c74004beec...
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.