Pith Number

pith:ACSO6EZC

pith:2011:ACSO6EZCGNRQYTOESEQTYPM7MD

not attested not anchored not stored refs pending

Calibrating Emission Lines as Quasar Bolometers

Brian Punsly, Shaohua Zhang

arxiv:1101.4833 v1 · 2011-01-25 · 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	2026-05-18T02:03:22.444088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a4ef132233630c4dc491213c3d9f60f1d4d75ce61c345ffcdbc4bfbdada553

Aliases

arxiv: 1101.4833 · arxiv_version: 1101.4833v1 · doi: 10.48550/arxiv.1101.4833 · pith_short_12: ACSO6EZCGNRQ · pith_short_16: ACSO6EZCGNRQYTOE · pith_short_8: ACSO6EZC

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/ACSO6EZCGNRQYTOESEQTYPM7MD \
  | 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: 00a4ef132233630c4dc491213c3d9f60f1d4d75ce61c345ffcdbc4bfbdada553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de146164d206855575355d7846a96dbd6aa4d7a6f4f410f99300bcb26ba589a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-25T14:49:19Z",
    "title_canon_sha256": "bc4bb849d12e53f228164a4fca504b15f23fd460b3045630f5dfcedf530518e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4833",
    "kind": "arxiv",
    "version": 1
  }
}