Pith Number

pith:7MK7ISRD

pith:2013:7MK7ISRDEQFPLN5LW4U62RNG4M

not attested not anchored not stored refs pending

DIGIT survey of far-infrared lines from protoplanetary disks I

2), (2) Leiden Observatory, (3) NRL, (4) KIAA, (5) NOAO, (6) U of Texas, (7) MPIA, (8) UAM, (9) U of Vienna), C. Salyk (5), D. Fedele (1), E.F. van Dishoeck (1, G.J. Herczeg (4), G. Meeus (8), J. Bouwman (7), J. Carr (3), J. Green (6), J.R. Najita (5), M. Guedel (9) ((1) MPE, Neal J. Evans II (6), S. Bruderer (1), Th. Henning (7)

arxiv:1308.1578 v1 · 2013-08-07 · 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{7MK7ISRDEQFPLN5LW4U62RNG4M}

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	2026-05-18T01:48:22.694575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb15f44a23240af5b7abb729ed45a6e33a9240d2adcfcdc00f924c4ac2796c7b

Aliases

arxiv: 1308.1578 · arxiv_version: 1308.1578v1 · doi: 10.48550/arxiv.1308.1578 · pith_short_12: 7MK7ISRDEQFP · pith_short_16: 7MK7ISRDEQFPLN5L · pith_short_8: 7MK7ISRD

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/7MK7ISRDEQFPLN5LW4U62RNG4M \
  | 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: fb15f44a23240af5b7abb729ed45a6e33a9240d2adcfcdc00f924c4ac2796c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4c2b5219b22cdadf582b5510a4e3c7fc50e0eef1e3e0d67d056dd9922ba21b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-07T14:05:41Z",
    "title_canon_sha256": "8f9015104da72db415bc44dc36ff56ad0dbb04fd18dcbed7322ec8c6c17b05a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1578",
    "kind": "arxiv",
    "version": 1
  }
}