Pith Number

pith:NDMU7EP6

pith:2021:NDMU7EP64WXUTRV5K2BRLBXAQT

not attested not anchored not stored refs pending

Reading M87's DNA: A Double Helix revealing a large scale Helical Magnetic Field

Alice Pasetto, Antonio Fuentes, Carlos Carrasco-Gonzalez, Craig Anderson, Daniel Jacobo Diaz-Gonzalez, John Wardle, Jose L. Gomez, Jose M. Marti, Manel Perucho, Shane P. O'Sullivan

arxiv:2112.06971 v1 · 2021-12-13 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDMU7EP64WXUTRV5K2BRLBXAQT}

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	2026-07-05T03:40:19.707053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d94f91fee5af49c6bd56831586e084db5dba7c410d6d20592f2470c53c86a9

Aliases

arxiv: 2112.06971 · arxiv_version: 2112.06971v1 · doi: 10.48550/arxiv.2112.06971 · pith_short_12: NDMU7EP64WXU · pith_short_16: NDMU7EP64WXUTRV5 · pith_short_8: NDMU7EP6

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/NDMU7EP64WXUTRV5K2BRLBXAQT \
  | 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: 68d94f91fee5af49c6bd56831586e084db5dba7c410d6d20592f2470c53c86a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74550045e515eeb0b59148ce66117d961015528d0dfc5d39006319bd4fca2cdd",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-13T19:13:08Z",
    "title_canon_sha256": "0e830adfbeff5b7588d4d202fe13245facc8df2e47baced8eb371ae2cb81b9fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06971",
    "kind": "arxiv",
    "version": 1
  }
}