Pith Number

pith:DDT6KH55

pith:2018:DDT6KH55QQCK7NEZ7RUMZMWYLA

not attested not anchored not stored refs pending

Comparison of theoretical and observed Ca~{\sc ii}~8542 Stokes profiles in quiet regions at the centre of the solar disc

Jan Jurcak, Javier Trujillo Bueno, Jiri Stepan, Michele Bianda

arxiv:1808.09470 v1 · 2018-08-28 · 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{DDT6KH55QQCK7NEZ7RUMZMWYLA}

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	2026-05-18T00:01:28.596703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e7e51fbd8404afb499fc68ccb2d858194fb5a50b0a77ec872fd4d95f919338

Aliases

arxiv: 1808.09470 · arxiv_version: 1808.09470v1 · doi: 10.48550/arxiv.1808.09470 · pith_short_12: DDT6KH55QQCK · pith_short_16: DDT6KH55QQCK7NEZ · pith_short_8: DDT6KH55

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/DDT6KH55QQCK7NEZ7RUMZMWYLA \
  | 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: 18e7e51fbd8404afb499fc68ccb2d858194fb5a50b0a77ec872fd4d95f919338

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bba8201457729343ba4f327475a4f01b164cf4aaed833c8418f1ef24bf67bb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-28T18:03:45Z",
    "title_canon_sha256": "288b534295efb42c42750cd7506988a8658bd26596afb783d6e28099871cd8f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09470",
    "kind": "arxiv",
    "version": 1
  }
}