Pith Number

pith:5Z2MUMEA

pith:2021:5Z2MUMEA422BWXTG5TI75JS4SV

not attested not anchored not stored refs pending

Brightness Contrast of Solar Magnetic Elements Observed by Sunrise

Fatima Kahil

arxiv:2109.00057 v1 · 2021-08-31 · 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{5Z2MUMEA422BWXTG5TI75JS4SV}

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.

Cited by

1 paper in Pith

Something new under the Sun: A magnetically driven CH/CN anti-correlation

Receipt and verification

First computed	2026-07-05T03:10:42.509516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee74ca3080e6b41b5e66ecd1fea65c955951a0e29a9aae48ce52afe1220a75dc

Aliases

arxiv: 2109.00057 · arxiv_version: 2109.00057v1 · doi: 10.48550/arxiv.2109.00057 · pith_short_12: 5Z2MUMEA422B · pith_short_16: 5Z2MUMEA422BWXTG · pith_short_8: 5Z2MUMEA

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/5Z2MUMEA422BWXTG5TI75JS4SV \
  | 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: ee74ca3080e6b41b5e66ecd1fea65c955951a0e29a9aae48ce52afe1220a75dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "617ca8f3fc4147a7ee896a2a44c23114d391096bad8e93d568d3fdeb725eb640",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-31T19:50:11Z",
    "title_canon_sha256": "1b7cb0c8059dabd1f70215f312fddb2c9c503926acbbaa27970dc41554f38da1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00057",
    "kind": "arxiv",
    "version": 1
  }
}