Pith Number

pith:W63EDAH2

pith:2020:W63EDAH2XFGW5QAADYDOVTUYCW

not attested not anchored not stored refs pending

GALACTICNUCLEUS: A high-angular-resolution JHKs imaging survey of the Galactic centre III. Evidence for wavelength dependence of the extinction curve in the near-infrared

Aurelia Teresa Gallego-Calvente, Banafsheh Shahzamanian, Eulalia Gallego-Cano, Francisco Najarro, Francisco Nogueras-Lara, Nadine Neumayer, Rainer Sch\"odel

arxiv:2007.04401 v1 · 2020-07-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W63EDAH2XFGW5QAADYDOVTUYCW}

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	2026-07-05T01:39:02.875887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7b64180fab94d6ec0001e06eace981593a2e511e8d7a6e7f8822a24de616a5d

Aliases

arxiv: 2007.04401 · arxiv_version: 2007.04401v1 · doi: 10.48550/arxiv.2007.04401 · pith_short_12: W63EDAH2XFGW · pith_short_16: W63EDAH2XFGW5QAA · pith_short_8: W63EDAH2

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/W63EDAH2XFGW5QAADYDOVTUYCW \
  | 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: b7b64180fab94d6ec0001e06eace981593a2e511e8d7a6e7f8822a24de616a5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0735cd5ee7598bcddc4fd3545020a93e47f32ff857daba8374ec8927d81292a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-08T20:02:26Z",
    "title_canon_sha256": "0d3735e84cc06d61c987906ec48f0b75ad614f690cb6647634b580ed40bd69d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04401",
    "kind": "arxiv",
    "version": 1
  }
}