Pith Number

pith:MXF2GNTJ

pith:2014:MXF2GNTJW3OLTBAOYY4EWCUVBH

not attested not anchored not stored refs pending

A high resolution image of the inner-shell of the PCygni nebula in the infra-red [Fe II] line

Carlo Morossi, Carmelo Arcidiacono, Craig Kulesa, Diego Paris, Don McCarthy, Enrico Pinna, Fernando Quiros-Pacheco, Konstantina Boutsia, Marco Xompero, Mariagrazia Franchini, Paolo Di Marcantonio, Roberto Ragazzoni, Runa Briguglio

arxiv:1409.3721 v1 · 2014-09-12 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXF2GNTJW3OLTBAOYY4EWCUVBH}

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	2026-05-18T02:42:54.756561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65cba33669b6dcb9840ec6384b0a9509c84eaf6c708ce86405cf5454841826de

Aliases

arxiv: 1409.3721 · arxiv_version: 1409.3721v1 · doi: 10.48550/arxiv.1409.3721 · pith_short_12: MXF2GNTJW3OL · pith_short_16: MXF2GNTJW3OLTBAO · pith_short_8: MXF2GNTJ

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/MXF2GNTJW3OLTBAOYY4EWCUVBH \
  | 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: 65cba33669b6dcb9840ec6384b0a9509c84eaf6c708ce86405cf5454841826de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03ef1a7be80ac88ed544f16e0b74638ea08b1e7ff5d688778b578e702eb8fb33",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-12T12:47:27Z",
    "title_canon_sha256": "7aee50b7ba3370f7faaf7060d7e1fe4e9418ba867c5ec5b2e94317db1a31026e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3721",
    "kind": "arxiv",
    "version": 1
  }
}