Pith Number

pith:FF6W5J6Z

pith:2020:FF6W5J6ZVAKK3MSVUCYJB4H6WL

not attested not anchored not stored refs pending

HST survey of the Orion Nebula Cluster in the H$_2$O 1.4 $\mu$m absorption band: III. The population of sub-stellar binary companions

Antonio Aparicio, Giovanni M. Strampelli, Jonathan Aguilar, Laurent Pueyo, Leonardo Ubeda, Mario Gennaro, Massimo Robberto

arxiv:2004.13924 v1 · 2020-04-29 · astro-ph.SR · 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{FF6W5J6ZVAKK3MSVUCYJB4H6WL}

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	2026-07-05T01:12:45.809274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

297d6ea7d9a814adb255a0b090f0feb2d17586819998b07177ab6946406f8443

Aliases

arxiv: 2004.13924 · arxiv_version: 2004.13924v1 · doi: 10.48550/arxiv.2004.13924 · pith_short_12: FF6W5J6ZVAKK · pith_short_16: FF6W5J6ZVAKK3MSV · pith_short_8: FF6W5J6Z

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/FF6W5J6ZVAKK3MSVUCYJB4H6WL \
  | 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: 297d6ea7d9a814adb255a0b090f0feb2d17586819998b07177ab6946406f8443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2ead2db63194340c6cbef22676f077610e7e3a645b3c3048daa93c7412fc19c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-04-29T02:10:17Z",
    "title_canon_sha256": "ef349cbb2c90d0aa88cea31053ab6fe88df71a36346ecc87ad26096f469721ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13924",
    "kind": "arxiv",
    "version": 1
  }
}