Pith Number

pith:ZDA5WVK7

pith:2018:ZDA5WVK7GGN6LAXVLEFZA45ALS

not attested not anchored not stored refs pending

SCExAO/CHARIS Near-IR High-Contrast Imaging and Integral Field Spectroscopy of the HIP 79977 Debris Disk

Carol A. Grady, Frantz Martinache, Julien Lozi, Jungmi Kwon, Klaus W. Hodapp, Masahiko Hayashi, Michael McElwain, Motohide Tamura, Nemanja Jovanovic, N. Jeremy Kasdin, Olivier Guyon, Sean Goebel, Thayne Currie, Timothy D. Brandt, Tyler Groff, Yi Yang

arxiv:1810.09458 v1 · 2018-10-22 · astro-ph.EP · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDA5WVK7GGN6LAXVLEFZA45ALS}

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	2026-05-17T23:59:04.438554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8c1db555f319be582f5590b9073a05cb1dc4d72a23d59e075941acd280c7962

Aliases

arxiv: 1810.09458 · arxiv_version: 1810.09458v1 · doi: 10.48550/arxiv.1810.09458 · pith_short_12: ZDA5WVK7GGN6 · pith_short_16: ZDA5WVK7GGN6LAXV · pith_short_8: ZDA5WVK7

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/ZDA5WVK7GGN6LAXVLEFZA45ALS \
  | 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: c8c1db555f319be582f5590b9073a05cb1dc4d72a23d59e075941acd280c7962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1587a71b892d29eb1b3c44bd92eb04e4879c8e7ddbfd70407000fcfa9048626",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-22T18:00:02Z",
    "title_canon_sha256": "9ddebeb12d317da70ae6396ddd3e30c38fa89283e4c87ce0e3999a841c94940a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09458",
    "kind": "arxiv",
    "version": 1
  }
}