Pith Number

pith:SAA6MFGI

pith:2011:SAA6MFGIZQGPNCOEVQ6ZIEMHAX

not attested not anchored not stored refs pending

Disk Imaging Survey of Chemistry with SMA: II. Southern Sky Protoplanetary Disk Data and Full Sample Statistics

Catherine Espaillat, Chunhua Qi, David J. Wilner, Edwin A. Bergin, Ilaria Pascucci, Jeffrey K.J. Fogel, Joel H. Kastner, Karin I. Oberg, Sean M. Andrews

arxiv:1104.1236 v1 · 2011-04-07 · 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{SAA6MFGIZQGPNCOEVQ6ZIEMHAX}

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	2026-05-18T02:02:36.948253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9001e614c8cc0cf689c4ac3d94118705cd1896eece4ed63316c5c0d707bb8e7e

Aliases

arxiv: 1104.1236 · arxiv_version: 1104.1236v1 · doi: 10.48550/arxiv.1104.1236 · pith_short_12: SAA6MFGIZQGP · pith_short_16: SAA6MFGIZQGPNCOE · pith_short_8: SAA6MFGI

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/SAA6MFGIZQGPNCOEVQ6ZIEMHAX \
  | 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: 9001e614c8cc0cf689c4ac3d94118705cd1896eece4ed63316c5c0d707bb8e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca44b71654ed90bbbfcc4a38bcb7a795304e80a2c6d5f726c27fcc91a9b07c66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-07T03:16:35Z",
    "title_canon_sha256": "4900250d6ea6a8cd35b8ebf35d8824f6dcfce7e17d3565102e6ab9baab23d6d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1236",
    "kind": "arxiv",
    "version": 1
  }
}