Pith Number

pith:VCYJWIFT

pith:2012:VCYJWIFT3TCUCUHUTNSFUIXTH7

not attested not anchored not stored refs pending

VERITAS Observations of M 87 in 2011/2012

M.Beilicke, the VERITAS collaboration

arxiv:1210.7830 v1 · 2012-10-29 · 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{VCYJWIFT3TCUCUHUTNSFUIXTH7}

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.

Cited by

1 paper in Pith

Constraints on axion-like particles from ultra-high-energy observations of M87 with the HAWC observatory

Receipt and verification

First computed	2026-05-18T01:53:35.955602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8b09b20b3dcc54150f49b645a22f33fd36099966d1f48d2603f7873d9efcf1d

Aliases

arxiv: 1210.7830 · arxiv_version: 1210.7830v1 · doi: 10.48550/arxiv.1210.7830 · pith_short_12: VCYJWIFT3TCU · pith_short_16: VCYJWIFT3TCUCUHU · pith_short_8: VCYJWIFT

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/VCYJWIFT3TCUCUHUTNSFUIXTH7 \
  | 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: a8b09b20b3dcc54150f49b645a22f33fd36099966d1f48d2603f7873d9efcf1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9b20fe1ae84d55b8cacc463aa75f90962d46f4a3c2c501adc2330321e6d70f5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-29T20:31:26Z",
    "title_canon_sha256": "13f68b5319d5a7d43b4335c7522880bb7f8693cf58858304fdcdf6f952ae8fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7830",
    "kind": "arxiv",
    "version": 1
  }
}