Pith Number

pith:2NYILEDN

pith:2014:2NYILEDN4GCH23A346G5ROKCEE

not attested not anchored not stored refs pending

Cosmic evolution of gas content and accretion

Francoise Combes (LERMA, Obs-Paris)

arxiv:1405.6405 v1 · 2014-05-25 · 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{2NYILEDN4GCH23A346G5ROKCEE}

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	2026-05-18T00:21:15.159206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37085906de1847d6c1be78dd8b942211ec12f25da1c87e8a0c77f025bb38652

Aliases

arxiv: 1405.6405 · arxiv_version: 1405.6405v1 · doi: 10.48550/arxiv.1405.6405 · pith_short_12: 2NYILEDN4GCH · pith_short_16: 2NYILEDN4GCH23A3 · pith_short_8: 2NYILEDN

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/2NYILEDN4GCH23A346G5ROKCEE \
  | 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: d37085906de1847d6c1be78dd8b942211ec12f25da1c87e8a0c77f025bb38652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "470522ad1e54dde1e74f7063b32bb093bd073886ed03e872c3f70adba079f3a3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-25T16:47:41Z",
    "title_canon_sha256": "3381fa4087705e2ebe4f33229bebc8c07d0231826f13502b36439daab3ad0af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6405",
    "kind": "arxiv",
    "version": 1
  }
}