Pith Number

pith:6XUJPF4N

pith:2016:6XUJPF4N6BIREF2OZEJVMCSQOQ

not attested not anchored not stored refs pending

Fast, low-ionization emission regions of the planetary nebula M2-42

A. Danehkar (MQ/CfA), Q. A. Parker (MQ/AAO/HKU), W. Steffen (UNAM)

arxiv:1601.01702 v1 · 2016-01-07 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XUJPF4N6BIREF2OZEJVMCSQOQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:21:44.269505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e897978df05112174ec913560a507431d5c009e6024a4629508cb2fb40e962

Aliases

arxiv: 1601.01702 · arxiv_version: 1601.01702v1 · doi: 10.48550/arxiv.1601.01702 · pith_short_12: 6XUJPF4N6BIR · pith_short_16: 6XUJPF4N6BIREF2O · pith_short_8: 6XUJPF4N

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6XUJPF4N6BIREF2OZEJVMCSQOQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f5e897978df05112174ec913560a507431d5c009e6024a4629508cb2fb40e962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b4d28c67daa8bcb63562d3e4737e55cecc6765d9ed6ca8c48349ca61e4cbf7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-07T21:10:51Z",
    "title_canon_sha256": "2af387dc495f866831dd91cee131b19819c466deb725c333b2465f9e3fb590e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01702",
    "kind": "arxiv",
    "version": 1
  }
}