Pith Number

pith:4MT3B4XC

pith:2013:4MT3B4XCPJAM6WM7UK4CLHKC3C

not attested not anchored not stored refs pending

Deep high spectral resolution spectroscopy and chemical composition of ionized nebulae

A. Mesa-Delgado, C. Esteban, J. Garcia-Rojas, L. Toribio San Cipriano

arxiv:1310.3683 v1 · 2013-10-14 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MT3B4XCPJAM6WM7UK4CLHKC3C}

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	2026-05-18T01:47:05.778236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e327b0f2e27a40cf599fa2b8259d42d8a0ff7a4f46924b865ad0decc76552b3d

Aliases

arxiv: 1310.3683 · arxiv_version: 1310.3683v1 · doi: 10.48550/arxiv.1310.3683 · pith_short_12: 4MT3B4XCPJAM · pith_short_16: 4MT3B4XCPJAM6WM7 · pith_short_8: 4MT3B4XC

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/4MT3B4XCPJAM6WM7UK4CLHKC3C \
  | 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: e327b0f2e27a40cf599fa2b8259d42d8a0ff7a4f46924b865ad0decc76552b3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "050a19ed8746e1ce31b7d06991dea08114dce260f686977dc5bb655f219bcd0c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-14T13:40:39Z",
    "title_canon_sha256": "7e1b3288722df8e2bb22296932ec8960205257696815654653be7251dcd13b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3683",
    "kind": "arxiv",
    "version": 1
  }
}