OpenTechnical

OT-2026-000037396

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000037396) never changes.

Identity and time

Publication numberOT-2026-000037396 · never reused
Internal UUID01a0ae77-b8cd-7ec6-92e3-d14ccf059725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037396
StatusPUBLIC

Content hashes

Canonical text1a68e9d6b2c91005008520d7738f7b1f2e36d0b797ae118412dc93d7cefd1cf6
Markdownc7ad1b58639ebb83fe7ad17ff79dc54ff450a4d76d3bd499bca6cb21925629cc
PDF
Publication pagea8b56e2afd416f2e3571e4dfa7660fe3970034c9527cd3cd39d6f24d9d0c5bca
Manifest32d97a4c7f4b57c398b0d2baf3a5849d118104453434c6a3e0094d864a69b767

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
SignatureB1PtiO1b3AJ9dl5HLmESbr3fDlIwfE8qXKt9NYD3tEEOMCJHXPn0XTgUB8twW08h32WXba9CNtuY44i0fBX7Ag==
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

2026-09-17T11:23:49.602984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037396
observed a8b56e2afd416f2e3571e4dfa7660fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.584876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037396/manifest.json
observed 32d97a4c7f4b57c398b0d2baf3a5849d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.565568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037396/publication.md
observed c7ad1b58639ebb83fe7ad17ff79dc54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.546096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037396/publication.txt
observed 1a68e9d6b2c91005008520d7738f7b1f...
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.