Pith Number

pith:ZOCE3QUB

pith:2015:ZOCE3QUBRI3VNLJJMRDCHGFTWP

not attested not anchored not stored refs pending

The Spatial Variation of the Cooling Lines in the Reflection Nebula NGC7023

A. Abergel, C. Pinto, E. Habart, G.J. White, H. Arab, J. Bernard-Salas, M.H.D. van der Wiel, M. Hoffmann, M. K\"ohler, V. Lebouteiller

arxiv:1501.07747 v1 · 2015-01-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZOCE3QUBRI3VNLJJMRDCHGFTWP}

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	2026-05-18T02:28:14.259369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb844dc2818a3756ad2964462398b3b3ef0c5faab9586a02d0c34e9f7baa0850

Aliases

arxiv: 1501.07747 · arxiv_version: 1501.07747v1 · doi: 10.48550/arxiv.1501.07747 · pith_short_12: ZOCE3QUBRI3V · pith_short_16: ZOCE3QUBRI3VNLJJ · pith_short_8: ZOCE3QUB

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/ZOCE3QUBRI3VNLJJMRDCHGFTWP \
  | 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: cb844dc2818a3756ad2964462398b3b3ef0c5faab9586a02d0c34e9f7baa0850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "877659fa0fe2a099c262ebdee060c17193ec5f14c6645cac58ad147efc71069f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-30T12:23:03Z",
    "title_canon_sha256": "bd6e18e449070682eab2d2c60386eaf30be5d286ff6c4bd533e571404fd985f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07747",
    "kind": "arxiv",
    "version": 1
  }
}