Pith Number

pith:MN2F4NUF

pith:2009:MN2F4NUFAYZSSUUH5SF6KG7HEN

not attested not anchored not stored refs pending

Boundary Shear Acceleration in the Jet of MKN501

S. Sahayanathan

arxiv:0906.4168 v2 · 2009-06-23 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MN2F4NUFAYZSSUUH5SF6KG7HEN}

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	2026-05-18T02:13:13.244956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63745e36850633295287ec8be51be7236740602f734a49f72fe386fa200db02e

Aliases

arxiv: 0906.4168 · arxiv_version: 0906.4168v2 · doi: 10.48550/arxiv.0906.4168 · pith_short_12: MN2F4NUFAYZS · pith_short_16: MN2F4NUFAYZSSUUH · pith_short_8: MN2F4NUF

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/MN2F4NUFAYZSSUUH5SF6KG7HEN \
  | 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: 63745e36850633295287ec8be51be7236740602f734a49f72fe386fa200db02e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a28c5c9276fa173c1930d626c5c3b93f57cfd7bef5027ae1cd88198486a1c307",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-23T06:09:28Z",
    "title_canon_sha256": "60174aa4dcd9345d88046537bedd06a83d86ccb9ad55ce58057c6ea8710e3e27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4168",
    "kind": "arxiv",
    "version": 2
  }
}