Pith Number

pith:5GIGZ6W2

pith:2016:5GIGZ6W2Z4ATWOG2OOIW52NLCH

not attested not anchored not stored refs pending

Variability in the Atmosphere of the Hot Giant Planet HAT-P-7 b

David J. Armstrong, Ernst de Mooij, Hugh P. Osborn, James Blake, Joanna Barstow, Nessa Fereshteh Saniee

arxiv:1612.04225 v1 · 2016-12-13 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GIGZ6W2Z4ATWOG2OOIW52NLCH}

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	2026-05-18T00:55:05.061971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9906cfadacf013b38da73916ee9ab11d1e2e3aaa5a7bb70fe8aa490e0d56b4c

Aliases

arxiv: 1612.04225 · arxiv_version: 1612.04225v1 · doi: 10.48550/arxiv.1612.04225 · pith_short_12: 5GIGZ6W2Z4AT · pith_short_16: 5GIGZ6W2Z4ATWOG2 · pith_short_8: 5GIGZ6W2

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/5GIGZ6W2Z4ATWOG2OOIW52NLCH \
  | 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: e9906cfadacf013b38da73916ee9ab11d1e2e3aaa5a7bb70fe8aa490e0d56b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97539ab5846f0ed79f7b90632e7ace435fe9667722e4801db4978ac461e4e8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-12-13T15:10:03Z",
    "title_canon_sha256": "1515a72132f03cffb6473d71a8e1912ae980e49a6c2596b99361f06a236496ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04225",
    "kind": "arxiv",
    "version": 1
  }
}