Pith Number

pith:WVXRPI63

pith:2013:WVXRPI63SLV2OWHVYLNEWHPFMC

not attested not anchored not stored refs pending

Probing Intergalactic Neutral Hydrogen by the Lyman Alpha Red Damping Wing of Gamma-Ray Burst 130606A Afterglow Spectrum at z = 5.913

George Kosugi, Kentaro Aoki, Kouji Ohta, Nobuyuki Kawai, Takanori Sakamoto, Takashi Hattori, Tetsuya Hashimoto, Tomonori Totani, Toru Yamada, Yuu Niino

arxiv:1312.3934 v3 · 2013-12-13 · astro-ph.HE · astro-ph.CO · 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{WVXRPI63SLV2OWHVYLNEWHPFMC}

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	2026-05-18T01:24:21.857681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b56f17a3db92eba758f5c2da4b1de56084f0e03e3ab530a0c1fbb46da638d24d

Aliases

arxiv: 1312.3934 · arxiv_version: 1312.3934v3 · doi: 10.48550/arxiv.1312.3934 · pith_short_12: WVXRPI63SLV2 · pith_short_16: WVXRPI63SLV2OWHV · pith_short_8: WVXRPI63

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/WVXRPI63SLV2OWHVYLNEWHPFMC \
  | 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: b56f17a3db92eba758f5c2da4b1de56084f0e03e3ab530a0c1fbb46da638d24d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71269476b44af1f802a8f9313d04b1c603486f092c51d5756d93e9a6c69f8742",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-12-13T20:46:59Z",
    "title_canon_sha256": "77a987045cbcfee699ca0bd32c086f085964f69d599989ade099c350b82d7f63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3934",
    "kind": "arxiv",
    "version": 3
  }
}