Pith Number

pith:5GJ5ELFG

pith:2021:5GJ5ELFGZ7XJNZMYY2PL2ZVOCW

not attested not anchored not stored refs pending

The central parsec of NGC 3783: a rotating broad emission line region, asymmetric hot dust structure, and compact coronal line region

A. Amorim, A. Drescher, A. Eckart, A. Sternberg, B. M. Peterson, C. Straubmeier, D. Gratadour, D. Kaltenbrunner, D. Lutz, D. Rouan, E. Sturm, F. Eisenhauer, F. Gao, F. Millour, F. Widmann, G. Perrin, GRAVITY Collaboration, H. Netzer, I. Waisberg, J. Dexter, J. Sanchez-Bermudez, J. Shangguan, J. Stadler, J. Woillez, K. Perraut, K. R. W. Tristram, L. J. Tacconi, M. A. Prieto, M. Baub\"ock, M. Bolzer, M. Kishimoto, M. Schartmann, N.M. F\"orster Schreiber, O. Pfuhl, O. Straub, P. J. V. Garcia, P. O. Petrucci, P. T. de Zeeuw, P. Vermot, R. Davies, R. Genzel, S. Gillessen, S. H\"onig, S. Lacour, S. von Fellenberg, T. Ott, T. Paumard, T. Shimizu, W. Brandner, Y. Cl\'enet

arxiv:2102.00068 v1 · 2021-01-29 · astro-ph.GA · 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{5GJ5ELFGZ7XJNZMYY2PL2ZVOCW}

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	2026-07-05T02:35:35.269010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e993d22ca6cfee96e598c69ebd66ae158f1a4770e857a376b7628170d9ab46a0

Aliases

arxiv: 2102.00068 · arxiv_version: 2102.00068v1 · doi: 10.48550/arxiv.2102.00068 · pith_short_12: 5GJ5ELFGZ7XJ · pith_short_16: 5GJ5ELFGZ7XJNZMY · pith_short_8: 5GJ5ELFG

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/5GJ5ELFGZ7XJNZMYY2PL2ZVOCW \
  | 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: e993d22ca6cfee96e598c69ebd66ae158f1a4770e857a376b7628170d9ab46a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c903a4bf3d156a70f4c5902d435762638385ec24e048c88489f3436115e3dc",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-29T21:10:30Z",
    "title_canon_sha256": "ea9b3c0f6e5ed4b829d0d36e8bf03dc0f2729bd84e6c73fa563a07f75e8e4828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00068",
    "kind": "arxiv",
    "version": 1
  }
}