Pith Number

pith:SEIA45M5

pith:2015:SEIA45M5ETREYG5O6ONILTHE3E

not attested not anchored not stored refs pending

Photospheric Logarithmic Velocity Spirals as MHD Wave Generation Mechanisms

R. Erd\'elyi, S. J. Mumford

arxiv:1501.01871 v2 · 2015-01-08 · 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{SEIA45M5ETREYG5O6ONILTHE3E}

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	2026-05-18T02:19:52.470985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91100e759d24e24c1baef39a85cce4d90852d68da3bc0aab2e0080d655dee92a

Aliases

arxiv: 1501.01871 · arxiv_version: 1501.01871v2 · doi: 10.48550/arxiv.1501.01871 · pith_short_12: SEIA45M5ETRE · pith_short_16: SEIA45M5ETREYG5O · pith_short_8: SEIA45M5

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/SEIA45M5ETREYG5O6ONILTHE3E \
  | 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: 91100e759d24e24c1baef39a85cce4d90852d68da3bc0aab2e0080d655dee92a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea80df8130cd8b0777c72212f161649123f059366d5d38ee41510759bee86a33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-08T14:45:31Z",
    "title_canon_sha256": "9b1ec0f4d82b444950ae7057849beebbbb3a1cd31e114751a585afce1d178dc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01871",
    "kind": "arxiv",
    "version": 2
  }
}