Pith Number

pith:P4OYGC7U

pith:2019:P4OYGC7UVCI5NATB3Z2EYK2YRC

not attested not anchored not stored refs pending

Observations of Photospheric Magnetic Structure below a Dark Filament using the Hinode Spectro-Polarimeter

Masumi Shimojo, Takaaki Yokoyama, Yukio Katsukawa

arxiv:1901.10695 v1 · 2019-01-30 · 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{P4OYGC7UVCI5NATB3Z2EYK2YRC}

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	2026-05-17T23:50:55.986361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1d830bf4a891d68261de744c2b5888bebb447adf86bf62bd9420b6f17df6e2

Aliases

arxiv: 1901.10695 · arxiv_version: 1901.10695v1 · doi: 10.48550/arxiv.1901.10695 · pith_short_12: P4OYGC7UVCI5 · pith_short_16: P4OYGC7UVCI5NATB · pith_short_8: P4OYGC7U

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/P4OYGC7UVCI5NATB3Z2EYK2YRC \
  | 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: 7f1d830bf4a891d68261de744c2b5888bebb447adf86bf62bd9420b6f17df6e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d259ef0ba18986494dc73c4625262540bdeebae36b189bb0e6f2da1fc1269355",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-30T07:06:28Z",
    "title_canon_sha256": "cbd42ee96ca366231960cfd2fbdf1a194d9cbb6496760577104f19b499eb681e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10695",
    "kind": "arxiv",
    "version": 1
  }
}