Pith Number

pith:MRCMYLZ2

pith:2013:MRCMYLZ2HEZXNZUEPPTWA6RNOT

not attested not anchored not stored refs pending

SPICA spectroscopic cosmological surveys to unravel galaxy evolution

Alberto Franceschini, Carlotta Gruppioni, Kalliopi Dasyra, Luigi Spinoglio, Matt Malkan, Roberto Maiolino

arxiv:1309.7862 v1 · 2013-09-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRCMYLZ2HEZXNZUEPPTWA6RNOT}

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	2026-05-18T03:11:48.024031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6444cc2f3a393376e6847be7607a2d74dfb1efee633d2e7cd381f6d573d8d70f

Aliases

arxiv: 1309.7862 · arxiv_version: 1309.7862v1 · doi: 10.48550/arxiv.1309.7862 · pith_short_12: MRCMYLZ2HEZX · pith_short_16: MRCMYLZ2HEZXNZUE · pith_short_8: MRCMYLZ2

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/MRCMYLZ2HEZXNZUEPPTWA6RNOT \
  | 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: 6444cc2f3a393376e6847be7607a2d74dfb1efee633d2e7cd381f6d573d8d70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98903fd32adb91ba7e8f884e58a45ad04c188605228c5df6432c0d253368c399",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-30T14:37:41Z",
    "title_canon_sha256": "ce1aecd7587663776d142a8c16966b7fd04e03996c39260584a2c725f1144911"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7862",
    "kind": "arxiv",
    "version": 1
  }
}