Pith Number

pith:KJXH7BVS

pith:1999:KJXH7BVSL344CFDB5V3G7ISKHV

not attested not anchored not stored refs pending

SCUBA observations of NGC 6946

F. Casoli, J. Davies, M. Gerin, P. Alton, S. Bianchi

arxiv:astro-ph/9912014 v1 · 1999-12-01 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJXH7BVSL344CFDB5V3G7ISKHV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-07-04T14:48:54.611915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

526e7f86b25ef9c11461ed766fa24a3d6365d7750ec6255e242eb9aa7ce3dd62

Aliases

arxiv: astro-ph/9912014 · arxiv_version: astro-ph/9912014v1 · doi: 10.48550/arxiv.astro-ph/9912014 · pith_short_12: KJXH7BVSL344 · pith_short_16: KJXH7BVSL344CFDB · pith_short_8: KJXH7BVS

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/KJXH7BVSL344CFDB5V3G7ISKHV \
  | 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: 526e7f86b25ef9c11461ed766fa24a3d6365d7750ec6255e242eb9aa7ce3dd62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38af2e5fc9011df26c06b85111044dfa6f8552f6471511060f3670f44a8e7853",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-01T14:27:20Z",
    "title_canon_sha256": "a4d7c14324e1120f2671be1b9ec7ea4666571214d94cd42c98775b1ff2a85656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912014",
    "kind": "arxiv",
    "version": 1
  }
}