Pith Number

pith:YDAKKFFN

pith:2019:YDAKKFFNJKDWEEVRUQW3RZK56M

not attested not anchored not stored refs pending

Quantifying the Influence of Key Physical Processes on the Formation of Emission Lines Observed by IRIS: I. Non-Equilibrium Ionization and Density-Dependent Rates

Paola Testa, Stephen J. Bradshaw

arxiv:1901.03935 v1 · 2019-01-13 · 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{YDAKKFFNJKDWEEVRUQW3RZK56M}

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	2026-05-17T23:52:38.662010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0c0a514ad4a876212b1a42db8e55df31b72901d806b839e9c9bef5838b0ddea

Aliases

arxiv: 1901.03935 · arxiv_version: 1901.03935v1 · doi: 10.48550/arxiv.1901.03935 · pith_short_12: YDAKKFFNJKDW · pith_short_16: YDAKKFFNJKDWEEVR · pith_short_8: YDAKKFFN

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/YDAKKFFNJKDWEEVRUQW3RZK56M \
  | 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: c0c0a514ad4a876212b1a42db8e55df31b72901d806b839e9c9bef5838b0ddea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f308da640d8be43b6a32f1b61afc880ca502388bdcfdb0ee512b94b8946960e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-13T04:58:47Z",
    "title_canon_sha256": "ffa3d49a4e81c80f75a4516a9f5c997d0d40e57cf1786939377751a447c35269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03935",
    "kind": "arxiv",
    "version": 1
  }
}