Pith Number

pith:QJ2W6IEN

pith:2018:QJ2W6IENF2QBLRUG23X64EXL75

not attested not anchored not stored refs pending

Contemporaneous broad-band photometry and H$\alpha$ observations of T Tauri stars

A. Frasca, A. Klutsch, D. Montes, J.M. Alcal\'a, P. Guillout

arxiv:1811.09250 v1 · 2018-11-22 · 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{QJ2W6IENF2QBLRUG23X64EXL75}

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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	2026-05-18T00:00:03.817021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82756f208d2ea015c686d6efee12ebff41a5b09016dfbf25e5d27de5ec2299ed

Aliases

arxiv: 1811.09250 · arxiv_version: 1811.09250v1 · doi: 10.48550/arxiv.1811.09250 · pith_short_12: QJ2W6IENF2QB · pith_short_16: QJ2W6IENF2QBLRUG · pith_short_8: QJ2W6IEN

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/QJ2W6IENF2QBLRUG23X64EXL75 \
  | 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: 82756f208d2ea015c686d6efee12ebff41a5b09016dfbf25e5d27de5ec2299ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "112ba83674a7da2f6782a1efaf75b0a5b74924846fc214507525d0f31b98d5b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-22T17:38:54Z",
    "title_canon_sha256": "4c367dd2b64353b92139d68b8df619fc3825e557a0e66c5a2911942fef8b675e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09250",
    "kind": "arxiv",
    "version": 1
  }
}