Pith Number

pith:EXRQBYZA

pith:2015:EXRQBYZAL5DWXLTEXC5BTMROZK

not attested not anchored not stored refs pending

Magnetization degree at the jet base of M87 derived from the event horizon telescope data: Testing magnetically driven jet paradigm

B.W. Sohn, F. Takahara, H. Nagai, K. Akiyama, K. Hada, M. Kino

arxiv:1502.03900 v1 · 2015-02-13 · 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{EXRQBYZAL5DWXLTEXC5BTMROZK}

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	2026-05-18T01:41:03.412680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e300e3205f476bae64b8ba19b22ecaa0eedc324da186c1e536c9656e06df40

Aliases

arxiv: 1502.03900 · arxiv_version: 1502.03900v1 · doi: 10.48550/arxiv.1502.03900 · pith_short_12: EXRQBYZAL5DW · pith_short_16: EXRQBYZAL5DWXLTE · pith_short_8: EXRQBYZA

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/EXRQBYZAL5DWXLTEXC5BTMROZK \
  | 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: 25e300e3205f476bae64b8ba19b22ecaa0eedc324da186c1e536c9656e06df40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df4b42c455ddaded7935ebef3e4006c4be9d860c35f050ae4c9a010a3422aca2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-13T06:54:57Z",
    "title_canon_sha256": "f007c9f0d731772b1a7193b9eac9e9c4ea0a1a65ece77229e5e15426baafe9a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03900",
    "kind": "arxiv",
    "version": 1
  }
}