OpenTechnical

OT-2026-000042465

Publication integrity record

Three cup vacuum gripper, three 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-2026-000042465) never changes.

Identity and time

Publication numberOT-2026-000042465 · never reused
Internal UUID01a0ae7a-c0cc-7ea1-9277-de2f98b00463 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042465
StatusPUBLIC

Content hashes

Canonical text74a3ce1724b91d661d125ba2a34a23f2daf1b2e0ffaf523fa2ce9896d19c855c
Markdownf8024ff74d112f7044c7f9d3a6342b9a154626b17cf6d3038ab3c78187238929
PDF
Publication pagef98c8954d1b24520e0a870ab279e6cf6d689f4117affb5462de122d79396c010
Manifest160b23087f4097e8f9810cfd4ab1815128aa63439c0262d0d414065dce5d4652

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
SignaturezLHyMhO4LQ4ExL0RfeV/+3yJBNEPU9L+V0bYCM3drKd6U/JQ7mfxDhl1JO3HX20065OGPYEUTkWbtVt1GL4MCQ==
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

2026-09-17T11:14:01.704588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042465
observed f98c8954d1b24520e0a870ab279e6cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.684399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042465/manifest.json
observed 160b23087f4097e8f9810cfd4ab18151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.665952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042465/publication.md
observed f8024ff74d112f7044c7f9d3a6342b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.646162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042465/publication.txt
observed 74a3ce1724b91d661d125ba2a34a23f2...
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.