Pith Number

pith:2PML7BHF

pith:2015:2PML7BHFNFIHX6Q65HTMYF2JWK

not attested not anchored not stored refs pending

Depth-dependent global properties of a sunspot observed by Hinode using the Solar Optical Telescope/Spectropolarimeter

Andreas Lagg, Michiel van Noort, Sami K. Solanki, Sanjiv K. Tiwari

arxiv:1508.04830 v2 · 2015-08-19 · 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{2PML7BHFNFIHX6Q65HTMYF2JWK}

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	2026-05-18T01:26:33.816550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d8bf84e569507bfa1ee9e6cc1749b28e0258a2516460fc67a0e4a468bb72f5

Aliases

arxiv: 1508.04830 · arxiv_version: 1508.04830v2 · doi: 10.48550/arxiv.1508.04830 · pith_short_12: 2PML7BHFNFIH · pith_short_16: 2PML7BHFNFIHX6Q6 · pith_short_8: 2PML7BHF

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/2PML7BHFNFIHX6Q65HTMYF2JWK \
  | 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: d3d8bf84e569507bfa1ee9e6cc1749b28e0258a2516460fc67a0e4a468bb72f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12eda240d2041472678cdc77383d732ec50a007b88e0c1c076edb5adccfc3554",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-19T23:27:19Z",
    "title_canon_sha256": "622f9edebc1eea4c8f5ab336b19ae25ff2d8b028bfee444ab77b0a962b929d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04830",
    "kind": "arxiv",
    "version": 2
  }
}