Pith Number

pith:FD5ZVUCS

pith:2019:FD5ZVUCS52RKNR7POHTXPVXP5T

not attested not anchored not stored refs pending

The XUV irradiation and likely atmospheric escape of the super-Earth $\pi$ Men c

David Ehrenreich, George W. King, Peter J. Wheatley, Vincent Bourrier

arxiv:1901.01875 v1 · 2019-01-07 · astro-ph.EP · 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{FD5ZVUCS52RKNR7POHTXPVXP5T}

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	2026-05-17T23:56:16.224705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28fb9ad052eea2a6c7ef71e777d6efecfea78262c7ae62a403d2ea3615721d2a

Aliases

arxiv: 1901.01875 · arxiv_version: 1901.01875v1 · doi: 10.48550/arxiv.1901.01875 · pith_short_12: FD5ZVUCS52RK · pith_short_16: FD5ZVUCS52RKNR7P · pith_short_8: FD5ZVUCS

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/FD5ZVUCS52RKNR7POHTXPVXP5T \
  | 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: 28fb9ad052eea2a6c7ef71e777d6efecfea78262c7ae62a403d2ea3615721d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61513a49e2abcad4424b51f96080c8ac84417a52d85143f91cd6cca824089483",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-07T15:17:30Z",
    "title_canon_sha256": "9f69e3541de9db2cd605df7084495b324118e1d3571dfe6544859e2396b79045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01875",
    "kind": "arxiv",
    "version": 1
  }
}