Pith Number

pith:EZKPZ3NE

pith:2015:EZKPZ3NEYQBK4GDECTRZUK4PHU

not attested not anchored not stored refs pending

Radio and Millimeter Monitoring of Sgr A*: Spectrum, Variability, and Constraints on the G2 Encounter

Alison Peck, Andreas Brunthaler, Anthony Rushton, Dan Marrone, Dipankar Maitra, Geoffrey C. Bower, Heino Falcke, James M. Moran, Jason Dexter, Mark A. Gurwell, Melvyn C.H. Wright, P. Chris Fragile, Sera Markoff

arxiv:1502.06534 v1 · 2015-02-23 · 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{EZKPZ3NEYQBK4GDECTRZUK4PHU}

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	2026-05-18T01:40:54.971027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2654fceda4c402ae186414e39a2b8f3d0676f0d3a4ce45383715e77ea7616574

Aliases

arxiv: 1502.06534 · arxiv_version: 1502.06534v1 · doi: 10.48550/arxiv.1502.06534 · pith_short_12: EZKPZ3NEYQBK · pith_short_16: EZKPZ3NEYQBK4GDE · pith_short_8: EZKPZ3NE

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/EZKPZ3NEYQBK4GDECTRZUK4PHU \
  | 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: 2654fceda4c402ae186414e39a2b8f3d0676f0d3a4ce45383715e77ea7616574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f528e587de2a054d0d5914ec060ba52b63a96ddc529968f440f7d11c6d1820e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-23T18:14:13Z",
    "title_canon_sha256": "8f574d1afd138c1ac38f657427577be01ac90c00c289318107ed12e63ae70327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06534",
    "kind": "arxiv",
    "version": 1
  }
}