Pith Number

pith:4K4L327Y

pith:2013:4K4L327YOT3NBCDMMBPXD42FK7

not attested not anchored not stored refs pending

The L1157 protostellar outflow imaged with the SMA

A. I. G\'omez-Ruiz, N. Hirano, S. Leurini, S. -Y. Liu

arxiv:1308.3091 v1 · 2013-08-14 · 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{4K4L327YOT3NBCDMMBPXD42FK7}

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	2026-05-18T01:48:15.604832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2b8bdebf874f6d0886c605f71f34557cfcded827154cb754f9af3267e8cdc2f

Aliases

arxiv: 1308.3091 · arxiv_version: 1308.3091v1 · doi: 10.48550/arxiv.1308.3091 · pith_short_12: 4K4L327YOT3N · pith_short_16: 4K4L327YOT3NBCDM · pith_short_8: 4K4L327Y

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/4K4L327YOT3NBCDMMBPXD42FK7 \
  | 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: e2b8bdebf874f6d0886c605f71f34557cfcded827154cb754f9af3267e8cdc2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef80a6afee436ca3fbe57ac29ed8d0f2c67e887a2cf60d3ad99a14073703983e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-14T11:36:53Z",
    "title_canon_sha256": "79f0313c2d9614cfd321e3ad6d1821880bf10b57e6ed1ff2248933d51f51a31f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3091",
    "kind": "arxiv",
    "version": 1
  }
}