Pith Number

pith:EVUWJQ3B

pith:2015:EVUWJQ3B2IMXIJBQJ36KSJSL3I

not attested not anchored not stored refs pending

The star formation history inferred from long gamma-ray bursts with high pseudo-redshifts

Wei-Wei Tan, Xiao-Feng Cao, Yun-Wei Yu

arxiv:1501.02969 v1 · 2015-01-13 · astro-ph.HE · 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{EVUWJQ3B2IMXIJBQJ36KSJSL3I}

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	2026-05-18T01:41:11.370377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256964c361d2197424304efca9264bda17d0a3b29014c1dc1afb5b287c61d9cd

Aliases

arxiv: 1501.02969 · arxiv_version: 1501.02969v1 · doi: 10.48550/arxiv.1501.02969 · pith_short_12: EVUWJQ3B2IMX · pith_short_16: EVUWJQ3B2IMXIJBQ · pith_short_8: EVUWJQ3B

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/EVUWJQ3B2IMXIJBQJ36KSJSL3I \
  | 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: 256964c361d2197424304efca9264bda17d0a3b29014c1dc1afb5b287c61d9cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f55eb427e4ba673ad25b8f7407fb4d07f4a5af61b53b0e3359249b27d35d896e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-13T11:51:27Z",
    "title_canon_sha256": "f3af54f0e015a1c68c91298ffd5a5fa22f6f51084ac8380380edb9e20013e5b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02969",
    "kind": "arxiv",
    "version": 1
  }
}