Pith Number

pith:HXAF6G32

pith:2009:HXAF6G32OIEUS46DBWPNTVZXTC

not attested not anchored not stored refs pending

Submillimeter Observations of the Quiescent Core - Ophiuchus A-N6

A. Pon, B. Matthews, E. A. Bergin, J. Di Francesco, R. K. Friesen, R. Plume

arxiv:0904.0013 v1 · 2009-03-31 · 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{HXAF6G32OIEUS46DBWPNTVZXTC}

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	2026-05-18T03:51:14.572240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dc05f1b7a72094973c30d9ed9d73798840167fcbf048519480c04882bef8ca4

Aliases

arxiv: 0904.0013 · arxiv_version: 0904.0013v1 · doi: 10.48550/arxiv.0904.0013 · pith_short_12: HXAF6G32OIEU · pith_short_16: HXAF6G32OIEUS46D · pith_short_8: HXAF6G32

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/HXAF6G32OIEUS46DBWPNTVZXTC \
  | 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: 3dc05f1b7a72094973c30d9ed9d73798840167fcbf048519480c04882bef8ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad3def1f88fb58fcf0dc41d5339fa300ae4175a2261abb4f5bfcdf6f72b9430",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-31T20:28:05Z",
    "title_canon_sha256": "f7970281aa0beac0a6ac6ea5d5bb04b4bb8586e7d5f23e8c96da765529643adf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0013",
    "kind": "arxiv",
    "version": 1
  }
}