Pith Number

pith:UEPPWXFR

pith:2008:UEPPWXFR4UQE6KFSR273AA3VOS

not attested not anchored not stored refs pending

The Spitzer c2d Survey of Nearby Dense Cores. V. Discovery of a VeLLO in the "Starless" Dense Core L328

Chang Won Lee, Hyun Woo Kang, Jingwen Wu, Mike Dunham, Mi-Ryang Kim, Neal Evans, Philip C. Myers, Robert Gutermuth, Tracy Huard, Tyler L. Bourke, Youngung Lee

arxiv:0812.2012 v1 · 2008-12-10 · astro-ph

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

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	2026-05-18T04:29:24.623242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a11efb5cb1e5204f28b28ebfb00375748594ee7bbbf000c4960fc6ce2224f696

Aliases

arxiv: 0812.2012 · arxiv_version: 0812.2012v1 · doi: 10.48550/arxiv.0812.2012 · pith_short_12: UEPPWXFR4UQE · pith_short_16: UEPPWXFR4UQE6KFS · pith_short_8: UEPPWXFR

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/UEPPWXFR4UQE6KFSR273AA3VOS \
  | 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: a11efb5cb1e5204f28b28ebfb00375748594ee7bbbf000c4960fc6ce2224f696

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8e7f582e72fa88003ae6d51629467af2d3e43409420625dd22ee59df003d44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-10T20:11:50Z",
    "title_canon_sha256": "29ebdeeacdd544fc2cc2a7e3ab4a615b467c1fe8bab2ae3ef40bd50c660ee1b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2012",
    "kind": "arxiv",
    "version": 1
  }
}