Pith Number

pith:RQSWBK2V

pith:2018:RQSWBK2VWZ5SQ3MVOWFIHAMGDQ

not attested not anchored not stored refs pending

Herschel PACS observations of 4-10 Myr old Classical T Tauri stars in Orion OB1

Babar Ali, Catherine Espaillat, C\'esar Brice\~no, Charles M. Telesco, Chunhua Qi, Dan Li, Enrique Mac\'ias, Javier Ballesteros-Paredes, Jes\'us Hern\'andez, Juan Jos\'e Downes, Karina Mauc\'o, Nuria Calvet, Omaira Gonz\'alez, Paola D'Alessio, Ra\'ul Michel

arxiv:1804.06377 v1 · 2018-04-17 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQSWBK2VWZ5SQ3MVOWFIHAMGDQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:15:14.444708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2560ab55b67b286d95758a8381861c05fdfe678e4a823941e4bd749c73347c

Aliases

arxiv: 1804.06377 · arxiv_version: 1804.06377v1 · doi: 10.48550/arxiv.1804.06377 · pith_short_12: RQSWBK2VWZ5S · pith_short_16: RQSWBK2VWZ5SQ3MV · pith_short_8: RQSWBK2V

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/RQSWBK2VWZ5SQ3MVOWFIHAMGDQ \
  | 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: 8c2560ab55b67b286d95758a8381861c05fdfe678e4a823941e4bd749c73347c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810f2428be5fa0ee0bbe7ab7958d74037630d8a82a9103145474c84e870ff847",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-17T17:09:22Z",
    "title_canon_sha256": "abea521917f23ba9199a8b1d732e3ea5f5ec23ff31eef15030c8b33d47a0b9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06377",
    "kind": "arxiv",
    "version": 1
  }
}