Pith Number

pith:HWUZ52WN

pith:2012:HWUZ52WNMJ7UAO4IFI2RWWESHH

not attested not anchored not stored refs pending

Remnant gas in evolved circumstellar disks: Herschel PACS observations of 10-100 Myr old disk systems

(2) NASA Ames, 3), (3) SETI Institute, (4) University of Rochester, 5), (5) CTIO), Arnold O. Benz (1), David Hollenbach (3) ((1) ETH Zurich, Eric Mamajek (4, Michael R. Meyer (1), Uma Gorti (2, Vincent C. Geers (1)

arxiv:1206.1044 v1 · 2012-06-05 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWUZ52WNMJ7UAO4IFI2RWWESHH}

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	2026-05-18T01:57:07.457385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da99eeacd627f403b882a351b589239d3a808c64878e41d92bb8c1bbcbd7f6b

Aliases

arxiv: 1206.1044 · arxiv_version: 1206.1044v1 · doi: 10.48550/arxiv.1206.1044 · pith_short_12: HWUZ52WNMJ7U · pith_short_16: HWUZ52WNMJ7UAO4I · pith_short_8: HWUZ52WN

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/HWUZ52WNMJ7UAO4IFI2RWWESHH \
  | 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: 3da99eeacd627f403b882a351b589239d3a808c64878e41d92bb8c1bbcbd7f6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a46fb9d103057e6400a1b6115044242feb9faa2d0711688fcfb17b5a8863bd36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-06-05T20:00:00Z",
    "title_canon_sha256": "235b0d2c564e5872778e9b1e861b7264e38f2159b5ac27d320dafecf4e587ac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1044",
    "kind": "arxiv",
    "version": 1
  }
}