OpenTechnical

OT-2026-000047621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000047621) never changes.

Identity and time

Publication numberOT-2026-000047621 · never reused
Internal UUID01a0ae7f-3e5a-7a85-9d74-aeb74a131d6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047621
StatusPUBLIC

Content hashes

Canonical textce034f49119731d11284756f77ac9636fed425506ddcd2b5a8f887abeaff2544
Markdownd5f2050382680553f4e4f23ac156034262625fe4c18761fc3b395e4459e328ae
PDF
Publication page36ca7a1156724366f76198c528a4a0ef05f53e48e70265d78f1ea82042a99ce0
Manifest25bfd0d65dd37aa900ee3dcf6587bdad329cbf6e1d3839ac57d932497ecab96f

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
SignatureUc6ApytBzz2yACakd09D8KGTeWmXfiEpluSqnUDo0uhNuF/i8eSYV8I2IyGOfMPmc+GfFyurjZqLK4FyxYmaAA==
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

2026-09-17T11:06:45.798067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047621
observed 36ca7a1156724366f76198c528a4a0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.781707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047621/manifest.json
observed 25bfd0d65dd37aa900ee3dcf6587bdad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.763903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047621/publication.md
observed d5f2050382680553f4e4f23ac1560342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.744714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047621/publication.txt
observed ce034f49119731d11284756f77ac9636...
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.