Pith Number

pith:VDVWYMNA

pith:2013:VDVWYMNAPT2ZHVKM4QOYHXIBUL

not attested not anchored not stored refs pending

Re-appearance of McNeil's nebula (V1647 Orionis) and its outburst environment

B.C. Bhatt, D.K. Ojha, J.P. Ninan, K.K. Mallick, M. Tamura, S.K. Ghosh, Th. Henning, V. Mohan

arxiv:1309.4967 v1 · 2013-09-19 · 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	2026-05-18T01:47:35.460006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8eb6c31a07cf593d54ce41d83dd01a2d2b39c89efdf1ee5919ecd82ae41e921

Aliases

arxiv: 1309.4967 · arxiv_version: 1309.4967v1 · doi: 10.48550/arxiv.1309.4967 · pith_short_12: VDVWYMNAPT2Z · pith_short_16: VDVWYMNAPT2ZHVKM · pith_short_8: VDVWYMNA

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/VDVWYMNAPT2ZHVKM4QOYHXIBUL \
  | 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: a8eb6c31a07cf593d54ce41d83dd01a2d2b39c89efdf1ee5919ecd82ae41e921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc765971da170e483a8c265a58ebf56b2d2c42bf4ee0ffe671b2c16ea3753567",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-19T13:31:21Z",
    "title_canon_sha256": "e772c9bb51c1e74a319d8d5396bb98dd485771d359397964ac2db154ae2c672b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4967",
    "kind": "arxiv",
    "version": 1
  }
}