Pith Number

pith:MAYDF3LQ

pith:2016:MAYDF3LQ5MC7KTBREFYLKPBJCQ

not attested not anchored not stored refs pending

Deciphering the bipolar planetary nebula Abell 14 with 3D ionization and morphological studies

D. R. Gon\c{c}alves, H. Monteiro, M. P. Redman, N. Clyne, P. Boumis, S. Akras, S. Williams

arxiv:1601.02170 v1 · 2016-01-10 · astro-ph.SR · 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{MAYDF3LQ5MC7KTBREFYLKPBJCQ}

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	2026-05-18T01:19:25.159548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

603032ed70eb05f54c312170b53c2914298e94679882a6ec1ca845f31bad00c0

Aliases

arxiv: 1601.02170 · arxiv_version: 1601.02170v1 · doi: 10.48550/arxiv.1601.02170 · pith_short_12: MAYDF3LQ5MC7 · pith_short_16: MAYDF3LQ5MC7KTBR · pith_short_8: MAYDF3LQ

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/MAYDF3LQ5MC7KTBREFYLKPBJCQ \
  | 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: 603032ed70eb05f54c312170b53c2914298e94679882a6ec1ca845f31bad00c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab04cc4b3d6a1400927f1a4619d0f7491b2c9967c4396f502f66844e26a0e213",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-10T00:51:12Z",
    "title_canon_sha256": "3f2b6f4ba692bf7570c310e2d41caeeee2bc7d72fe40ee49f31edc5a0a23b5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02170",
    "kind": "arxiv",
    "version": 1
  }
}