Pith Number

pith:NYPFOEYN

pith:2013:NYPFOEYNAU5SDXEZMAYNXCC5FQ

not attested not anchored not stored refs pending

Visible Spectroscopic Observations of Near-Earth Object 2012 DA14

Hidekazu Hanayama, Jun Takahashi, Mitsugu Fujii, Osamu Oshima, Seitaro Urakawa, Tsuyoshi Terai

arxiv:1306.2111 v1 · 2013-06-10 · 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{NYPFOEYNAU5SDXEZMAYNXCC5FQ}

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	2026-05-18T01:49:24.459437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e1e57130d053b21dc996030db885d2c012a828ab53e3f1a145d66b5df5162a2

Aliases

arxiv: 1306.2111 · arxiv_version: 1306.2111v1 · doi: 10.48550/arxiv.1306.2111 · pith_short_12: NYPFOEYNAU5S · pith_short_16: NYPFOEYNAU5SDXEZ · pith_short_8: NYPFOEYN

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/NYPFOEYNAU5SDXEZMAYNXCC5FQ \
  | 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: 6e1e57130d053b21dc996030db885d2c012a828ab53e3f1a145d66b5df5162a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1deb392740aa6b02c3a51876b79b428ffe248d6a01b2e7d9f9904a9bce718ce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-06-10T06:25:58Z",
    "title_canon_sha256": "f98bdf5812651b9d54f13c11ff783049d13e60ba37d826b74a7c23eb5afb0fb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2111",
    "kind": "arxiv",
    "version": 1
  }
}