Pith Number

pith:QNPWL3NC

pith:2009:QNPWL3NCCSIPQQUEPUW64GS4FY

not attested not anchored not stored refs pending

Spatio-Kinematic Structure at the Base of the [Fe II] Jets From L1551 IRS 5

Alan T. Tokunaga, Hiroshi Terada, Masahiko Hayashi, Naoto Kobayashi, Tae-Soo Pyo

arxiv:0901.2105 v1 · 2009-01-14 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNPWL3NCCSIPQQUEPUW64GS4FY}

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	2026-05-18T04:29:23.852507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

835f65eda21490f842847d2dee1a5c2e321dda09b682f3319c595282fc6ce84d

Aliases

arxiv: 0901.2105 · arxiv_version: 0901.2105v1 · doi: 10.48550/arxiv.0901.2105 · pith_short_12: QNPWL3NCCSIP · pith_short_16: QNPWL3NCCSIPQQUE · pith_short_8: QNPWL3NC

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/QNPWL3NCCSIPQQUEPUW64GS4FY \
  | 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: 835f65eda21490f842847d2dee1a5c2e321dda09b682f3319c595282fc6ce84d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a4214fc07bbb2f1d9a46388fa1b86fafa1662415dd303f0061a452601cf3af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-14T20:28:02Z",
    "title_canon_sha256": "0dc2a4a3007066c7198d6115c076add1a1699b4794b731db591262e1c0af102e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2105",
    "kind": "arxiv",
    "version": 1
  }
}