Pith Number

pith:GXPEMJND

pith:2003:GXPEMJND3BFFQ3HBAFYNBS3FME

not attested not anchored not stored refs pending

Detectability of Long GRB Afterglows from Very High Redshifts

& B. Zhang (Pennsylvania State University), L. J. Gou, P. Meszaros, T. Abel

arxiv:astro-ph/0307489 v3 · 2003-07-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXPEMJND3BFFQ3HBAFYNBS3FME}

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	2026-07-04T16:51:22.090711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35de4625a3d84a586ce10170d0cb656123609445caa3d6292cad74e7485434c4

Aliases

arxiv: astro-ph/0307489 · arxiv_version: astro-ph/0307489v3 · doi: 10.48550/arxiv.astro-ph/0307489 · pith_short_12: GXPEMJND3BFF · pith_short_16: GXPEMJND3BFFQ3HB · pith_short_8: GXPEMJND

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/GXPEMJND3BFFQ3HBAFYNBS3FME \
  | 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: 35de4625a3d84a586ce10170d0cb656123609445caa3d6292cad74e7485434c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac64698205778c1bb414fb9c0e3d9dd64e2cd8ccacb5fbf8e42da935da8dde00",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-28T20:43:12Z",
    "title_canon_sha256": "f4673145deb402624c01b22237708832a76e3a0f783c79f6fd8f0c8eb9794576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307489",
    "kind": "arxiv",
    "version": 3
  }
}