Pith Number

pith:7CCXA73K

pith:2017:7CCXA73K3O7TZ663CM5JR75MZJ

not attested not anchored not stored refs pending

Synthetic nebular emission from massive galaxies I: origin of the cosmic evolution of optical emission-line ratios

Anna Feltre, Ena Choi, Jeremiah P. Ostriker, Michaela Hirschmann, Rachel S. Somerville, Stephane Charlot, Thorsten Naab

arxiv:1706.00010 v2 · 2017-05-31 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CCXA73K3O7TZ663CM5JR75MZJ}

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	2026-05-18T00:36:15.275279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f885707f6adbbf3cfbdb133a98ffacca688f9ca05312a0b95f43661f23413319

Aliases

arxiv: 1706.00010 · arxiv_version: 1706.00010v2 · doi: 10.48550/arxiv.1706.00010 · pith_short_12: 7CCXA73K3O7T · pith_short_16: 7CCXA73K3O7TZ663 · pith_short_8: 7CCXA73K

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/7CCXA73K3O7TZ663CM5JR75MZJ \
  | 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: f885707f6adbbf3cfbdb133a98ffacca688f9ca05312a0b95f43661f23413319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c69814613d911810baf3be6d6ab339a7c524bc613d34e85d627d74e86bb3a15",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-31T18:00:01Z",
    "title_canon_sha256": "5c68035093451a97388bd52ec6065135a5844a34698aa2cb86fd83af6de52e21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00010",
    "kind": "arxiv",
    "version": 2
  }
}