Pith Number

pith:44IRK6ZS

pith:2019:44IRK6ZSTCG2OMZTJSD6TIQRKF

not attested not anchored not stored refs pending

The time-resolved spectra of photospheric emission from a structured jet for gamma-ray bursts

Bin-Bin Zhang, Jun-Jie Wei, Liang-Duan Liu, Xue-Feng Wu, Yan-Zhi Meng

arxiv:1904.08526 v2 · 2019-04-17 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44IRK6ZSTCG2OMZTJSD6TIQRKF}

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	2026-07-05T00:00:34.465190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e711157b32988da733334c87e9a21151789d0c69f4ede4d5f3b5f601fdf0f6f5

Aliases

arxiv: 1904.08526 · arxiv_version: 1904.08526v2 · doi: 10.48550/arxiv.1904.08526 · pith_short_12: 44IRK6ZSTCG2 · pith_short_16: 44IRK6ZSTCG2OMZT · pith_short_8: 44IRK6ZS

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/44IRK6ZSTCG2OMZTJSD6TIQRKF \
  | 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: e711157b32988da733334c87e9a21151789d0c69f4ede4d5f3b5f601fdf0f6f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f32d394a8b71c80086b6918690478c7ae4206753611b6d8d2b6461d23cc77d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-17T22:42:10Z",
    "title_canon_sha256": "0e9689ddf87a4c6a4c6d8116df6d31a4639adc3704c4dc168f397e87b37ce34b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08526",
    "kind": "arxiv",
    "version": 2
  }
}