Pith Number

pith:4FE6RFXL

pith:2015:4FE6RFXLYY6GU4FAOS5QWPQIPY

not attested not anchored not stored refs pending

Chemical composition of the circumstellar disk around AB Aurigae

A. Fuente, B. Lefloch, C. Pinte, J. Cernicharo, J. R. Goicoechea, L. Wiesenfeld, M. Ag\'undez, O. Bern\'e, R. Bachiller, R. Neri, S. Pacheco-V\'azquez, T. Alonso-Albi

arxiv:1503.04112 v2 · 2015-03-13 · astro-ph.EP · astro-ph.SR

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	2026-05-18T01:55:41.846758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e149e896ebc63c6a70a074bb0b3e087e0ed5559264b4a6a108ddd8c53799fac5

Aliases

arxiv: 1503.04112 · arxiv_version: 1503.04112v2 · doi: 10.48550/arxiv.1503.04112 · pith_short_12: 4FE6RFXLYY6G · pith_short_16: 4FE6RFXLYY6GU4FA · pith_short_8: 4FE6RFXL

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/4FE6RFXLYY6GU4FAOS5QWPQIPY \
  | 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: e149e896ebc63c6a70a074bb0b3e087e0ed5559264b4a6a108ddd8c53799fac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86cb8ec593fb9b18df1406389f77bd175d82efa0099cfbd513234744d92a5a39",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-13T15:41:16Z",
    "title_canon_sha256": "7e6124b5be335c9e63335674147a5a01a5e6d30214728ea777774ca4a2620aef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04112",
    "kind": "arxiv",
    "version": 2
  }
}