Pith Number

pith:ITMTHQND

pith:2011:ITMTHQND6C6ZVLSUC24ZHP7UGI

not attested not anchored not stored refs pending

Photometric determination of the mass accretion rates of pre-main sequence stars. II. NGC346 in the Small Magellanic Cloud

Elena Sabbi, Guido De Marchi, Marco Sirianni, Martino Romaniello, Nino Panagia, Pier Giorgio Prada Moroni, Scilla Degl'innocenti

arxiv:1104.4494 v2 · 2011-04-22 · 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{ITMTHQND6C6ZVLSUC24ZHP7UGI}

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	2026-05-18T02:02:15.999383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44d933c1a3f0bd9aae5416b993bff432124f9494b7a999adcd57e5cabfd0d6ee

Aliases

arxiv: 1104.4494 · arxiv_version: 1104.4494v2 · doi: 10.48550/arxiv.1104.4494 · pith_short_12: ITMTHQND6C6Z · pith_short_16: ITMTHQND6C6ZVLSU · pith_short_8: ITMTHQND

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/ITMTHQND6C6ZVLSUC24ZHP7UGI \
  | 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: 44d933c1a3f0bd9aae5416b993bff432124f9494b7a999adcd57e5cabfd0d6ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4e5f53045ed74202fdc30f036becaf0b768e89530d854f879d4955e09a6e440",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-22T19:53:30Z",
    "title_canon_sha256": "21ea7591445a44bbe38e48c7a4dab8c8e627e0a7a4177ab3e3c9db1adb0fdc4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4494",
    "kind": "arxiv",
    "version": 2
  }
}