Pith Number

pith:FH5OEIFF

pith:2019:FH5OEIFF4LXMULQVLWQLIAB66W

not attested not anchored not stored refs pending

The central 1000 AU of a pre-stellar core revealed with ALMA. I. 1.3 mm continuum observations

Ana Chacon-Tanarro, Bo Zhao, Daniele Galli, Eric Keto, Jaime E. Pineda, Malcolm C. Walmsley, Marco Padovani, Mario Tafalla, Paola Caselli, Rachel Friesen, Tyler L. Bourke

arxiv:1902.05299 v1 · 2019-02-14 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FH5OEIFF4LXMULQVLWQLIAB66W}

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	2026-05-17T23:49:39.066816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29fae220a5e2eeca2e155da0b4003ef5b4b5487f3c326de82aa94a853d35333a

Aliases

arxiv: 1902.05299 · arxiv_version: 1902.05299v1 · doi: 10.48550/arxiv.1902.05299 · pith_short_12: FH5OEIFF4LXM · pith_short_16: FH5OEIFF4LXMULQV · pith_short_8: FH5OEIFF

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/FH5OEIFF4LXMULQVLWQLIAB66W \
  | 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: 29fae220a5e2eeca2e155da0b4003ef5b4b5487f3c326de82aa94a853d35333a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a7f932bef2a584cf52a45de82c7f25f7846df71fe1fcc71bc051bfc802ceeb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-14T10:55:39Z",
    "title_canon_sha256": "80559ebb83c81080728237e7ae04f576463db3677246314a79ed1fa416d91379"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05299",
    "kind": "arxiv",
    "version": 1
  }
}