Pith Number

pith:LCOSALBG

pith:2012:LCOSALBGW6PB6TT6SFP6J5NHOK

not attested not anchored not stored refs pending

The mid-infrared extinction law in the darkest cores of the Pipe Nebula

C. G. Rom\'an-Z\'u\~niga, C. J. Lada, J. Alves, J. Ascenso, M. Lombardi

arxiv:1211.6556 v1 · 2012-11-28 · 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{LCOSALBGW6PB6TT6SFP6J5NHOK}

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	2026-05-18T01:52:53.968885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

589d202c26b79e1f4e7e915fe4f5a772a73b57f3574dd7fdb6b3ddf89615ee80

Aliases

arxiv: 1211.6556 · arxiv_version: 1211.6556v1 · doi: 10.48550/arxiv.1211.6556 · pith_short_12: LCOSALBGW6PB · pith_short_16: LCOSALBGW6PB6TT6 · pith_short_8: LCOSALBG

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/LCOSALBGW6PB6TT6SFP6J5NHOK \
  | 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: 589d202c26b79e1f4e7e915fe4f5a772a73b57f3574dd7fdb6b3ddf89615ee80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc27da25f445c3d4b2db4dc3258623a590cdd1355d617a0b31832b50cc18f69a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-11-28T09:54:14Z",
    "title_canon_sha256": "9f8838029bf1fec99bc0185b2709a5fc81c410777666269168e2e6f0257e902b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6556",
    "kind": "arxiv",
    "version": 1
  }
}