OpenTechnical

OT-2026-000005675

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, vented before set down, polyurethane cups

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-2026-000005675) never changes.

Identity and time

Publication numberOT-2026-000005675 · never reused
Internal UUID01a0a941-086a-7c39-b875-a89e23528908 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:46.638253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005675
StatusPUBLIC

Content hashes

Canonical text8a5bad3c0d41e5868cea5b1d91559ec6892cac439350f0deddf484ddbdb84055
Markdown64737ee22f4b10bb743aee8949dcd027233abeb27d409ad709369230819ce354
PDF
Publication page9233fd7a7d0f0b788968b2d8c65e01e847d2eb472cd13241b34323f89aaf945c
Manifest323f506115239391a5821a13fd3cb35c7c2e86e696cba195044ad8c4a12610e5

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
Signaturei7EcIuAlu7WCiQobztmmZlGNaP0HtRyTRErAtaiQvQhvASoRnjlQInDMHr6IV+i8QkHxmYekOJS8hoYZPloGCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:13.206034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005675
observed 9233fd7a7d0f0b788968b2d8c65e01e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.192410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005675/manifest.json
observed 323f506115239391a5821a13fd3cb35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.176003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005675/publication.md
observed 64737ee22f4b10bb743aee8949dcd027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.161123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005675/publication.txt
observed 8a5bad3c0d41e5868cea5b1d91559ec6...
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.