OpenTechnical

OT-2026-000040124

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000040124) never changes.

Identity and time

Publication numberOT-2026-000040124 · never reused
Internal UUID01a0ae79-26fe-7b0a-8243-7c5895a53937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040124
StatusPUBLIC

Content hashes

Canonical texted1282bb056cda2d5a824d61ca48b5813dc15eea5a501a74e36f775907127883
Markdown774ee2f41b54f7e24fdb1cbf0ff5cf355887491a6b05a2c6610bd4f7647cf9ef
PDF
Publication page592e199b32e59e7c08f5e7f42c346aeabcd257cea8ab997f1d41490f3da7749b
Manifeste8b55dc858a03f1ed6215ab96b12bd04020fdb2c6be176cde9e81dd8f3c73e5e

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
SignatureZAvpoC+2jiSgl6ZHorz6yxxuSoK67cMFl0WFWwEMtJgR9X6yyuBCJwvKwHWACIc9G2haMZFP1p2LlPKJTX15DQ==
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

2026-09-17T11:18:59.544801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040124
observed 592e199b32e59e7c08f5e7f42c346aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.528856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040124/manifest.json
observed e8b55dc858a03f1ed6215ab96b12bd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.514043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040124/publication.md
observed 774ee2f41b54f7e24fdb1cbf0ff5cf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.499454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040124/publication.txt
observed ed1282bb056cda2d5a824d61ca48b581...
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.