OpenTechnical

OT-2026-000023025

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000023025) never changes.

Identity and time

Publication numberOT-2026-000023025 · never reused
Internal UUID01a0ae70-46ec-7748-86b0-d756965dc904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023025
StatusPUBLIC

Content hashes

Canonical textae8a643858cf84b5d49eac6d4a6a5e4a3b5dd2e559a684966dd9e259c692fcf8
Markdown291dc97344ef7ce31d6aa6200abb3050907904a24dab5ac5deb6355522d40f49
PDF
Publication pagef2e29c56bbd2497efaea7a9a025dfd73f7483bd818542bdb88c184782adca504
Manifest66b24c11c55e24d57f1e1b2bf1268f141b8038cfefb4de166db984fdb67f1ee9

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
SignatureDkFOmAM+wmyd1r/S8JZQtN5wTgg5BHhB7KQmBJLoYy+8G1bTExy5ilPy+UKRENzi0QNz/JPyZ84x+LOWS8wRDA==
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

2026-09-17T11:52:37.473456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023025
observed f2e29c56bbd2497efaea7a9a025dfd73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.455917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023025/manifest.json
observed 66b24c11c55e24d57f1e1b2bf1268f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.437093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023025/publication.md
observed 291dc97344ef7ce31d6aa6200abb3050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.417985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023025/publication.txt
observed ae8a643858cf84b5d49eac6d4a6a5e4a...
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.