OpenTechnical

OT-2026-000043149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off 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-2026-000043149) never changes.

Identity and time

Publication numberOT-2026-000043149 · never reused
Internal UUID01a0ae7b-327a-721b-a964-4d312103385a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043149
StatusPUBLIC

Content hashes

Canonical textd129e0c15d50899802c0806c06756d030b8a11730d8e3ead7a04df7c6e53ad61
Markdownf27eef5de877f7f851a3337982975c885f1ad155041f7e40c73e43b44ebf797a
PDF
Publication pagea4aea8f4f5bb810f9021f89ba018c069a556b5e835756cd17d432f76d1443a1a
Manifest2d1ec898d3618f805f12014e1c986806a7c8d6b96876254d6e61de2df9da06bc

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
SignatureXMw+k5J48mWV1Tiby9LbA9dJSZetFhVzL1KPV9HdWdczT5sXNtm7d9wn8xn9xECGzOYX5HwEceO3hSZeu9IQCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:35.388230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043149
observed a4aea8f4f5bb810f9021f89ba018c069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.371070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043149/manifest.json
observed 2d1ec898d3618f805f12014e1c986806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.352877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043149/publication.md
observed f27eef5de877f7f851a3337982975c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.334588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043149/publication.txt
observed d129e0c15d50899802c0806c06756d03...
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.