Pith Number

pith:Q3WA4LAG

pith:2019:Q3WA4LAGKXVNIOI6YFR5TLTIS5

not attested not anchored not stored refs pending

An image of the dust sublimation region in the nucleus of NGC 1068

A. Amorim, A. Eckart, A. Sternberg, B. M. Peterson, C. Straubmeier, D. Gratadour, 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. Shangguan, J. Woillez, K. Perraut, K. R. W. Tristram, L. J. Tacconi, M. A. Prieto, M. Kishimoto, M. Schartmann, N. M. Foerster 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. Hoenig, S. Lacour, T. Ott, T. Paumard, T. Shimizu, W. Brandner, Y. Clenet

arxiv:1912.01361 v1 · 2019-12-03 · 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{Q3WA4LAGKXVNIOI6YFR5TLTIS5}

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	2026-07-05T00:38:08.784389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ec0e2c0655ead4391ec163d9ae68976584ec463fcc16e6d6bd5ee1aa838f5c

Aliases

arxiv: 1912.01361 · arxiv_version: 1912.01361v1 · doi: 10.48550/arxiv.1912.01361 · pith_short_12: Q3WA4LAGKXVN · pith_short_16: Q3WA4LAGKXVNIOI6 · pith_short_8: Q3WA4LAG

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/Q3WA4LAGKXVNIOI6YFR5TLTIS5 \
  | 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: 86ec0e2c0655ead4391ec163d9ae68976584ec463fcc16e6d6bd5ee1aa838f5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5e1504726dd1a8e5303ecc593096ae56bb5ce8803b171655752e9e10ae08a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-03T13:42:25Z",
    "title_canon_sha256": "8c71c0d1384d2c1bcbb5795f6e31e0b7982735f6a67dd0ad4a09802d180ad25a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01361",
    "kind": "arxiv",
    "version": 1
  }
}