Pith Number

pith:O74TZ4K4

pith:2012:O74TZ4K4GP7FPJEI6RVNBA5LZV

not attested not anchored not stored refs pending

The Hawaii Infrared Parallax Program. I. Ultracool Binaries and the L/T Transition

Michael C. Liu (IfA/Hawaii), Trent J. Dupuy (CfA/SAO)

arxiv:1201.2465 v2 · 2012-01-12 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O74TZ4K4GP7FPJEI6RVNBA5LZV}

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	2026-05-18T01:58:52.383767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77f93cf15c33fe57a488f46ad083abcd7acc95a149ae757ab2375c5bbfff9da2

Aliases

arxiv: 1201.2465 · arxiv_version: 1201.2465v2 · doi: 10.48550/arxiv.1201.2465 · pith_short_12: O74TZ4K4GP7F · pith_short_16: O74TZ4K4GP7FPJEI · pith_short_8: O74TZ4K4

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/O74TZ4K4GP7FPJEI6RVNBA5LZV \
  | 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: 77f93cf15c33fe57a488f46ad083abcd7acc95a149ae757ab2375c5bbfff9da2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4313553df68cb53314b5920d3c8057c3fdcf9e4bc026cc563d0365171a8c83d5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-12T02:36:00Z",
    "title_canon_sha256": "dc66a46a60f66172ad6a45520c0cf2cf6b7e34c74d97e02b7f8e9f3605067693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2465",
    "kind": "arxiv",
    "version": 2
  }
}