Pith Number

pith:LC7W4WER

pith:2012:LC7W4WERYV7H6NDTLVMR4KIZFN

not attested not anchored not stored refs pending

Kinematics of the inner thousand AU region around the young massive star AFGL 2591-VLA3: a massive disk candidate?

F. F. S. van der Tak, K.-S. Wang, M. R. Hogerheijde

arxiv:1204.4367 v1 · 2012-04-19 · astro-ph.GA

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	2026-05-18T01:57:48.680437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58bf6e5891c57e7f34735d591e29192b7e27d38a921cc8a31c05a7a4e4df45cf

Aliases

arxiv: 1204.4367 · arxiv_version: 1204.4367v1 · doi: 10.48550/arxiv.1204.4367 · pith_short_12: LC7W4WERYV7H · pith_short_16: LC7W4WERYV7H6NDT · pith_short_8: LC7W4WER

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/LC7W4WERYV7H6NDTLVMR4KIZFN \
  | 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: 58bf6e5891c57e7f34735d591e29192b7e27d38a921cc8a31c05a7a4e4df45cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "427415e1be3977af96e6a45cfdc8b7ea08d8289b3c8342f33de2eec8d8fc26db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-19T15:03:42Z",
    "title_canon_sha256": "525b72313ae9d9de97cb8d46d7514296a93e5fb641ab05604d9af22456e3506d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4367",
    "kind": "arxiv",
    "version": 1
  }
}