Pith Number

pith:U7LECPW4

pith:2013:U7LECPW4Q5C35TZR7OF2GB2KOH

not attested not anchored not stored refs pending

Exploring the total Galactic extinction with SDSS BHB stars

Chao Liu, Hai-Jun Tian, Jing-Yao Hu, Xue-Lei Chen, Yang Xu

arxiv:1310.2937 v3 · 2013-10-10 · 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{U7LECPW4Q5C35TZR7OF2GB2KOH}

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	2026-05-18T01:47:06.817157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d6413edc8745becf31fb8ba3074a71c3e6d05e0a9b4ff27345740f395570d2

Aliases

arxiv: 1310.2937 · arxiv_version: 1310.2937v3 · doi: 10.48550/arxiv.1310.2937 · pith_short_12: U7LECPW4Q5C3 · pith_short_16: U7LECPW4Q5C35TZR · pith_short_8: U7LECPW4

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/U7LECPW4Q5C35TZR7OF2GB2KOH \
  | 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: a7d6413edc8745becf31fb8ba3074a71c3e6d05e0a9b4ff27345740f395570d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3edc2c3b14bae13847f5d0bf16e9fcfca5d7e3e5c169faf7e43fa359ab15fa8c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-10T20:00:00Z",
    "title_canon_sha256": "b64d366e4e39cd267f8e29baf32a2fee80c6c0664efda32c3c321a65f05a57a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2937",
    "kind": "arxiv",
    "version": 3
  }
}