OpenTechnical

OT-2026-000008889

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000008889) never changes.

Identity and time

Publication numberOT-2026-000008889 · never reused
Internal UUID01a0ae6b-31b7-7d1b-9412-3e166285f553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008889
StatusPUBLIC

Content hashes

Canonical text48f57ff07cc0470d81fb2f848e6f2599f09079fdee98c577c75832bc0b1f43fc
Markdown781fee0a1455b4f03cd67e951074cc44a9c6db5b131ffac1367192d3a2ae33f4
PDF
Publication page02f885cd232d29a3ca0ec76812a9417da84daecb0908f210af3567b49c305b71
Manifest41b821647dd9219ad0e891baa2d0fa5faa04526a2e2e9dc5e84a3ecbff8ef62e

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
Signaturee14Bc/2LUGsYZjoKingWVEPv4Y1eIFm27f/DdKCQeIs3WfnuJ/Zzkp8O6kR/7iXUqm5xWCYAQeZn30TD7feoCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:29.290078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008889
observed 02f885cd232d29a3ca0ec76812a9417d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.272545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008889/manifest.json
observed 41b821647dd9219ad0e891baa2d0fa5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.255009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008889/publication.md
observed 781fee0a1455b4f03cd67e951074cc44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.236664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008889/publication.txt
observed 48f57ff07cc0470d81fb2f848e6f2599...
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.