Pith Number

pith:FRNKX74W

pith:2010:FRNKX74WAOHEDBZEURGLLYYCNB

not attested not anchored not stored refs pending

The Physical Conditions of the Intrinsic N V Narrow Absorption Line Systems of Three Quasars

2 Shinshu U., 3 U. Michigan, Flint), Jane C. Charlton (1), Jian Wu (1), Michael Eracleous (1), Rajib Ganguly (3) (1 Penn State, Toru Misawa (2)

arxiv:1008.2953 v1 · 2010-08-17 · 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{FRNKX74WAOHEDBZEURGLLYYCNB}

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	2026-05-18T02:05:47.355695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c5aabff96038e418724a44cb5e302687df03d13b089e5da76bc3cf9419a800c

Aliases

arxiv: 1008.2953 · arxiv_version: 1008.2953v1 · doi: 10.48550/arxiv.1008.2953 · pith_short_12: FRNKX74WAOHE · pith_short_16: FRNKX74WAOHEDBZE · pith_short_8: FRNKX74W

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/FRNKX74WAOHEDBZEURGLLYYCNB \
  | 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: 2c5aabff96038e418724a44cb5e302687df03d13b089e5da76bc3cf9419a800c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1be679a1127ae4cf35707c4667895ee51934d28fb277274ef772bf7c0c826f31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-17T19:45:25Z",
    "title_canon_sha256": "3d28b2797a48c5c9341f4f90f9aaddc0234092d6214e87c454b826bc8b53847a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2953",
    "kind": "arxiv",
    "version": 1
  }
}