Pith Number

pith:O7YKD266

pith:2012:O7YKD266P4DBYF64NZATQBVESA

not attested not anchored not stored refs pending

VLBI Observations of the Jet in M87 During the Very-High-Energy Gamma-ray Flare in April 2010

Akihiro Doi, Gabriele Giovannini, Hiroshi Nagai, Kazuhiro Hada, Marcello Giroletti, Mareki Honma, Motoki Kino, Noriyuki Kawaguchi, Yoshiaki Hagiwara

arxiv:1210.4942 v1 · 2012-10-17 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7YKD266P4DBYF64NZATQBVESA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:53:46.974897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77f0a1ebde7f061c17dc6e413806a490307a0c4b08c22c25d9fddf9d86fbf2ca

Aliases

arxiv: 1210.4942 · arxiv_version: 1210.4942v1 · doi: 10.48550/arxiv.1210.4942 · pith_short_12: O7YKD266P4DB · pith_short_16: O7YKD266P4DBYF64 · pith_short_8: O7YKD266

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/O7YKD266P4DBYF64NZATQBVESA \
  | 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: 77f0a1ebde7f061c17dc6e413806a490307a0c4b08c22c25d9fddf9d86fbf2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6072c4a0933c7ae8fe894cedbc310a0587439f533e0dd4fb514d3283a0f2f814",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-17T20:05:03Z",
    "title_canon_sha256": "c3076b311fa5adbf7297843dc7bf8dccad847812e87da8a59baeb61a70860077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4942",
    "kind": "arxiv",
    "version": 1
  }
}