OpenTechnical

OT-2026-000043805

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000043805) never changes.

Identity and time

Publication numberOT-2026-000043805 · never reused
Internal UUID01a0ae7b-d676-7822-acfe-482df3dceaaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043805
StatusPUBLIC

Content hashes

Canonical textf68d2e90372c517a274c1414084b53a8fe50ba306dc99549d0043b1a5754d0a2
Markdownb8a7b3ff9cb378f5b64bea9e2010fb5d2cae4a9e4d15c5efe6c32391061dc4d6
PDF
Publication page7591a79e956566f45cc7f9de37f2267a5a7bfa46d2615a3a48d26d39a965f37a
Manifestcc9f521beba1c6bb6efd1a4c70102a540e0fa512a20c44d61729afd4bd2e3e1e

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
SignaturefcgYQ+8ehzLzqjk8bL5O0xS0mAk2HqshLj4CgOL0MUQwbTLV685aSZA7tkUlF9hIGrRF3buXhGr5gQmR5K7uDA==
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

2026-09-17T11:12:06.514151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043805
observed 7591a79e956566f45cc7f9de37f2267a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.492052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043805/manifest.json
observed cc9f521beba1c6bb6efd1a4c70102a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.473710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043805/publication.md
observed b8a7b3ff9cb378f5b64bea9e2010fb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.454572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043805/publication.txt
observed f68d2e90372c517a274c1414084b53a8...
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.