Pith Number

pith:JWBYHWFV

pith:2014:JWBYHWFV6OUWGUZOVSV6QMZAAU

not attested not anchored not stored refs pending

Constraints on the gas masses of low-z damped Lyman-$\alpha$ systems

2), (2) National Centre for Radio Astrophysics, (3) UCO/Lick Observatory, India, J. Xavier Prochaska (3) ((1) St. Stephen's College, Nissim Kanekar (2), Parichay Mazumdar (1, USA)

arxiv:1406.0991 v2 · 2014-06-04 · 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{JWBYHWFV6OUWGUZOVSV6QMZAAU}

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	2026-05-18T01:43:02.250193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8383d8b5f3a963532eacabe8332005174a08b912045a362a7819df01011c6f

Aliases

arxiv: 1406.0991 · arxiv_version: 1406.0991v2 · doi: 10.48550/arxiv.1406.0991 · pith_short_12: JWBYHWFV6OUW · pith_short_16: JWBYHWFV6OUWGUZO · pith_short_8: JWBYHWFV

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/JWBYHWFV6OUWGUZOVSV6QMZAAU \
  | 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: 4d8383d8b5f3a963532eacabe8332005174a08b912045a362a7819df01011c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c43cdcf81c9965eab825a1f0db465d0598132b4cacd95b5fd131732cab8f759",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-04T09:39:17Z",
    "title_canon_sha256": "40e01ba50e4b04350053d402a80919ae6397d291f3e14d4f8b4b54cad8640dcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0991",
    "kind": "arxiv",
    "version": 2
  }
}