Pith Number

pith:QOIJF53Y

pith:2017:QOIJF53YOYM7LWR6U6ISIIWJAT

not attested not anchored not stored refs pending

The First Billion Years project: constraining the dust attenuation law of star-forming galaxies at z $\simeq$ 5

C. Dalla Vecchia, F. Cullen, J.S. Dunlop, R.J. Mclure, S. Khochfar

arxiv:1701.07869 v4 · 2017-01-26 · 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{QOIJF53YOYM7LWR6U6ISIIWJAT}

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	2026-05-18T00:39:37.171762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839092f7787619f5da3ea7912422c904e7397271b2c4e70668ef6013d4f6b2b0

Aliases

arxiv: 1701.07869 · arxiv_version: 1701.07869v4 · doi: 10.48550/arxiv.1701.07869 · pith_short_12: QOIJF53YOYM7 · pith_short_16: QOIJF53YOYM7LWR6 · pith_short_8: QOIJF53Y

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/QOIJF53YOYM7LWR6U6ISIIWJAT \
  | 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: 839092f7787619f5da3ea7912422c904e7397271b2c4e70668ef6013d4f6b2b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccab00849148acb29c28c7193f851417a2465eaa3a5b6561d2786a1529769637",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-26T20:30:47Z",
    "title_canon_sha256": "df4d18d48e9df19500f23a4ab0d017c81dd75189ac2966764c42a06aa8f737f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07869",
    "kind": "arxiv",
    "version": 4
  }
}