Pith Number

pith:54XCVHQA

pith:2014:54XCVHQAGOPDMO7XKOSMBLC5LI

not attested not anchored not stored refs pending

The evolving spectrum of the planetary nebula Hen 2-260

A. A. Zijlstra, K. Gesicki, M. G{\l}adkowski, M. Hajduk, P. A. M. van Hoof, S. K. G\'orny

arxiv:1405.0800 v1 · 2014-05-05 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54XCVHQAGOPDMO7XKOSMBLC5LI}

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	2026-05-18T02:48:09.257109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2e2a9e00339e363bf753a4c0ac5d5a24ff909f4cfde09db1ebcba49d017b9e

Aliases

arxiv: 1405.0800 · arxiv_version: 1405.0800v1 · doi: 10.48550/arxiv.1405.0800 · pith_short_12: 54XCVHQAGOPD · pith_short_16: 54XCVHQAGOPDMO7X · pith_short_8: 54XCVHQA

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/54XCVHQAGOPDMO7XKOSMBLC5LI \
  | 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: ef2e2a9e00339e363bf753a4c0ac5d5a24ff909f4cfde09db1ebcba49d017b9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79b39143921f00de97f8dbab0a83476843377b236d11dd3d38d662730608b17e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-05-05T07:15:23Z",
    "title_canon_sha256": "c1b2f1e03e72c0ae638547bbf4ee46cb23d1868a66d49027ec6212539b1cc142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0800",
    "kind": "arxiv",
    "version": 1
  }
}