Pith Number

pith:DRMXE2SS

pith:2012:DRMXE2SSO5KBDMIY367NWGGYA2

not attested not anchored not stored refs pending

Reorienting Our Perspective of Broad Absorption Line Quasars

Carlos De Breuck, Michael A. DiPompeo, Michael S. Brotherton, Sally Laurent-Muehleisen

arxiv:1201.2916 v1 · 2012-01-13 · 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{DRMXE2SSO5KBDMIY367NWGGYA2}

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	2026-05-18T04:04:42.919651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c59726a52775411b118dfbedb18d806a720bc171d30983d5b43fd6112d736a2

Aliases

arxiv: 1201.2916 · arxiv_version: 1201.2916v1 · doi: 10.48550/arxiv.1201.2916 · pith_short_12: DRMXE2SSO5KB · pith_short_16: DRMXE2SSO5KBDMIY · pith_short_8: DRMXE2SS

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/DRMXE2SSO5KBDMIY367NWGGYA2 \
  | 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: 1c59726a52775411b118dfbedb18d806a720bc171d30983d5b43fd6112d736a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c417fd3cfc7c5eba5c2febefac2b72c382f8ff14382581bd527ef19884984b9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-13T19:04:36Z",
    "title_canon_sha256": "7c4acbf2e1d93465222e442d5fbf9045e0a6e1027653bc07a32a68b06e6e1253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2916",
    "kind": "arxiv",
    "version": 1
  }
}