Pith Number

pith:QJ6KISBR

pith:2009:QJ6KISBRIFKWEBQPAGTCSLBFSL

not attested not anchored not stored refs pending

VLT/NACO near-infrared observations of the transient radio magnetar 1E 1547.0-5408

G.L. Israel, G. Lo Curto, G. Marconi, N. Rea, P. Jonker, R. Perna, R. P. Mignani, R. Turolla, S. Chaty, S. Mereghetti, S. Zane, V. Testa

arxiv:0901.3576 v1 · 2009-01-22 · 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{QJ6KISBRIFKWEBQPAGTCSLBFSL}

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	2026-07-04T17:14:17.210865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827ca44831415562060f01a6292c2592dce59267fe5101d007e4e9b54695e7aa

Aliases

arxiv: 0901.3576 · arxiv_version: 0901.3576v1 · doi: 10.48550/arxiv.0901.3576 · pith_short_12: QJ6KISBRIFKW · pith_short_16: QJ6KISBRIFKWEBQP · pith_short_8: QJ6KISBR

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/QJ6KISBRIFKWEBQPAGTCSLBFSL \
  | 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: 827ca44831415562060f01a6292c2592dce59267fe5101d007e4e9b54695e7aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76f62f8d0640a4a6601c5b921700491b2dda87e61dc829010fff23790821c81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-22T23:15:11Z",
    "title_canon_sha256": "eec880e85a55ca153afb85890bb613f7e9cf64ed2e6f1f6b71952042f4a60d3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3576",
    "kind": "arxiv",
    "version": 1
  }
}