Pith Number

pith:NBHI3PB7

pith:2019:NBHI3PB7ONJ7SP7O4O5YNLMNO5

not attested not anchored not stored refs pending

WFIRST and EUCLID: enabling the microlensing parallax measurement from space

Etienne Bachelet, Matthew Penny

arxiv:1908.02720 v1 · 2019-08-07 · 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{NBHI3PB7ONJ7SP7O4O5YNLMNO5}

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	2026-07-04T23:55:48.939008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684e8dbc3f7353f93feee3bb86ad8d7770508b3dbead288ab71ae324fc5bb01b

Aliases

arxiv: 1908.02720 · arxiv_version: 1908.02720v1 · doi: 10.48550/arxiv.1908.02720 · pith_short_12: NBHI3PB7ONJ7 · pith_short_16: NBHI3PB7ONJ7SP7O · pith_short_8: NBHI3PB7

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/NBHI3PB7ONJ7SP7O4O5YNLMNO5 \
  | 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: 684e8dbc3f7353f93feee3bb86ad8d7770508b3dbead288ab71ae324fc5bb01b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4204050b915db75d78060dd99f148cb8eeb605c064c2e5417e1aa7d48dcbcb53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-07T16:47:30Z",
    "title_canon_sha256": "cdda6cbe8769d598861c8c9abd388ce39314f021e06ec17582f076b21bc573d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02720",
    "kind": "arxiv",
    "version": 1
  }
}