Pith Number

pith:PIWQFUXD

pith:2015:PIWQFUXD4TE5WFMNYUSJT7HZ4P

not attested not anchored not stored refs pending

Synchronic coronal hole mapping using multi-instrument EUV images: Data preparation and detection method

C. Downs, J.L. Linker, R.M. Caplan

arxiv:1510.04718 v3 · 2015-10-15 · 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{PIWQFUXD4TE5WFMNYUSJT7HZ4P}

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	2026-05-18T01:13:40.043711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a2d02d2e3e4c9db158dc52499fcf9e3c7ad07571f3ff42f4ef1d842e2c47b4f

Aliases

arxiv: 1510.04718 · arxiv_version: 1510.04718v3 · doi: 10.48550/arxiv.1510.04718 · pith_short_12: PIWQFUXD4TE5 · pith_short_16: PIWQFUXD4TE5WFMN · pith_short_8: PIWQFUXD

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/PIWQFUXD4TE5WFMNYUSJT7HZ4P \
  | 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: 7a2d02d2e3e4c9db158dc52499fcf9e3c7ad07571f3ff42f4ef1d842e2c47b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62a1d4008f86f02000188797ab124192de6ba1742f538df4f420c2d148f1f4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-15T21:17:03Z",
    "title_canon_sha256": "2b3a95ee7529fd1cca36fa0b9dd0d3465f153291db09ce009fafca5ec8f8017c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04718",
    "kind": "arxiv",
    "version": 3
  }
}