Pith Number

pith:JHFCOHM3

pith:2011:JHFCOHM3RCCSQEVNKVX6FZKEWT

not attested not anchored not stored refs pending

On the link between associated MgII absorbers and star formation in quasar hosts

Brice M\'enard, Yue Shen

arxiv:1104.0778 v2 · 2011-04-05 · 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{JHFCOHM3RCCSQEVNKVX6FZKEWT}

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	2026-05-18T02:02:38.024767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49ca271d9b88852812ad556fe2e544b4e70b9140c964d5757c69649365b0484c

Aliases

arxiv: 1104.0778 · arxiv_version: 1104.0778v2 · doi: 10.48550/arxiv.1104.0778 · pith_short_12: JHFCOHM3RCCS · pith_short_16: JHFCOHM3RCCSQEVN · pith_short_8: JHFCOHM3

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/JHFCOHM3RCCSQEVNKVX6FZKEWT \
  | 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: 49ca271d9b88852812ad556fe2e544b4e70b9140c964d5757c69649365b0484c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad1848de59b3907809dafeb14895dd25b528bc00deba1440ec298837d62bc38d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-05T09:05:45Z",
    "title_canon_sha256": "672f1e21a93200731081cd341cd841b218d67282ac8b2175741e6b5d71dd445a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0778",
    "kind": "arxiv",
    "version": 2
  }
}