Pith Number

pith:P4PNQLTH

pith:2014:P4PNQLTH3FVCWUATPBXJFDWIKW

not attested not anchored not stored refs pending

The narrow and moving HeII lines in nova KT Eri

E. Mason, P. Valisa, U. Munari

arxiv:1403.3284 v1 · 2014-03-13 · 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	2026-05-18T02:52:25.410335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1ed82e67d96a2b5013786e928ec855867847d43b0cc1f287f58bbc96f54dc4

Aliases

arxiv: 1403.3284 · arxiv_version: 1403.3284v1 · doi: 10.48550/arxiv.1403.3284 · pith_short_12: P4PNQLTH3FVC · pith_short_16: P4PNQLTH3FVCWUAT · pith_short_8: P4PNQLTH

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/P4PNQLTH3FVCWUATPBXJFDWIKW \
  | 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: 7f1ed82e67d96a2b5013786e928ec855867847d43b0cc1f287f58bbc96f54dc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "787cbeb3ded53f158fc98a97b63993aed0062008dc3637b6dddb40132c01b188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-03-13T14:48:08Z",
    "title_canon_sha256": "20e79b9ce12c6d5aee0fe78d7a85dc75b62ccffa1038ff328811f0d3da1ab2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3284",
    "kind": "arxiv",
    "version": 1
  }
}