OpenTechnical

OT-2026-000040123

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000040123) never changes.

Identity and time

Publication numberOT-2026-000040123 · never reused
Internal UUID01a0ae79-26fe-722f-82ab-4d3fc5384909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040123
StatusPUBLIC

Content hashes

Canonical text6cae179a164d7a4819c5e68276540d6be863bf77aae0de38854b9ba0b8d862ba
Markdown40ff77130638433583e05c81a7b00d235f6ad1cff2544485dc9ae5295029ff99
PDF
Publication page71a47e8176e9ead23764c08dabbc3ddbcab6362f3539bf3a4ee84061b30a8775
Manifestb387c46374a20e4264101e7411c1784f62470edc78027efd44cd941f50e4d734

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
SignatureDQfG/YqftJi9KLiGLU8zfhXvri1Z/v781XPZwOCi8MLhMSugKkqbhIh4EEDhalAybyBJlBNQFsHef6HEYppmCw==
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

2026-09-17T11:18:59.481993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040123
observed 71a47e8176e9ead23764c08dabbc3ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.466711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040123/manifest.json
observed b387c46374a20e4264101e7411c1784f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.451469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040123/publication.md
observed 40ff77130638433583e05c81a7b00d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.435457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040123/publication.txt
observed 6cae179a164d7a4819c5e68276540d6b...
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.