OpenTechnical

OT-2026-000008512

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000008512) never changes.

Identity and time

Publication numberOT-2026-000008512 · never reused
Internal UUID01a0ae6a-e46a-7b0d-894f-206fc334d06e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008512
StatusPUBLIC

Content hashes

Canonical text48cea89adbfacc9a6166125f86362b39c3f010519a7d0c433f055fbaea47de39
Markdowna9c706f863af99d3c48f5836594342776af349ff6a21ecd1f8574b7f8303cc12
PDF
Publication pageec11eeb9e678f74f0ebcecfeca865fa46d409fabcb3c7a181cf75b29d37d91a2
Manifeste0419e01fafc98fda02c81573c4bf530ba01f7969b5a1d43b9c787f6ccab4093

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
Signaturec8++bh0xZpDE7R3wR2wYKzfcPLN7hkx6Itb/WHFeJBAi3IL8aF+1Am0VxxIL80EvaNUEJ2PMYYEvukjorejWAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:25.420919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008512
observed ec11eeb9e678f74f0ebcecfeca865fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.400198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008512/manifest.json
observed e0419e01fafc98fda02c81573c4bf530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.382776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008512/publication.md
observed a9c706f863af99d3c48f583659434277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.363471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008512/publication.txt
observed 48cea89adbfacc9a6166125f86362b39...
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.