Pith Number

pith:OVFNTZKQ

pith:2016:OVFNTZKQZL6RTG67C2NSQRB632

not attested not anchored not stored refs pending

Nature and statistical properties of quasar associated absorption systems in the XQ-100 Legacy Survey

Frederick Hamann, G\'abor Worseck, George D. Becker, Guido Cupani, Isabelle P\^aris, J. Xavier Prochaska, Kelly D. Denney, Lise Christensen, Marianne Vestergaard, Sara Ellison, Sebastian L\`opez, Serena Perrotta, Stefano Cristiani, Trystyn A. M. Berg, Valentina D'Odorico

arxiv:1605.04607 v1 · 2016-05-15 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:05:43.233044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

754ad9e550cafd199bdf169b28443edea2de50866905db61e7d6d2125a6b275f

Aliases

arxiv: 1605.04607 · arxiv_version: 1605.04607v1 · doi: 10.48550/arxiv.1605.04607 · pith_short_12: OVFNTZKQZL6R · pith_short_16: OVFNTZKQZL6RTG67 · pith_short_8: OVFNTZKQ

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/OVFNTZKQZL6RTG67C2NSQRB632 \
  | 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: 754ad9e550cafd199bdf169b28443edea2de50866905db61e7d6d2125a6b275f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c86a5e13ebb5f28e82daa27408d67ddb3b6ece5f86bc92c4ab2ad45a2341784",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-15T21:39:48Z",
    "title_canon_sha256": "6c70c32f03f2ec64bdb92bf8cbe883740d4b5f513f380a860c4c3b47488ca329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04607",
    "kind": "arxiv",
    "version": 1
  }
}