OpenTechnical

OT-2026-000005669

Publication integrity record

Vacuum cup gripper, two outlet manifold, three stage ejector, vented after set down, silicone 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-2026-000005669) never changes.

Identity and time

Publication numberOT-2026-000005669 · never reused
Internal UUID01a0a940-d6ce-78ed-8b2a-b3ce1417b8e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:33.937346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005669
StatusPUBLIC

Content hashes

Canonical text099e4bbde92598b25b4ebd12fa54b24e4d67d77b9e2f9b846a094b71c2d34f76
Markdown636fa4669652067233020899cdc57f0928ecf53014537f539a1a1fca94f8e255
PDF
Publication page42253d0abfb699e5bf21774949c20a54391dc43bf202403e468acb456ead8835
Manifestb3765e3152a39c8fdc07e37c33609ad275c26ec74390423faad882105053e54c

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
SignatureiBuD4feTat+tyoCCMEXF+HDYvGVtAedzYPhXGpHuay3wdSTdLFln7Qj+wqw5Du56OQ+Jqmi+5/QsFmeY18H7BQ==
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

2026-09-16T08:10:13.926918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005669
observed 42253d0abfb699e5bf21774949c20a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.913385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005669/manifest.json
observed b3765e3152a39c8fdc07e37c33609ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.897226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005669/publication.md
observed 636fa4669652067233020899cdc57f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.882445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005669/publication.txt
observed 099e4bbde92598b25b4ebd12fa54b24e...
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.