Pith Number

pith:OKPXQYZB

pith:2011:OKPXQYZBDVC7F7ZB6VGVIOLSYF

not attested not anchored not stored refs pending

The origin of RXJ1856.5-3754 and RXJ0720.4-3125 -- updated using new parallax measurements

Markus Matthias Hohle, Nina Tetzlaff, Ralph Neuhaeuser, Thomas Eisenbeiss

arxiv:1107.1673 v1 · 2011-07-08 · 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{OKPXQYZBDVC7F7ZB6VGVIOLSYF}

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	2026-05-18T02:01:21.227120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

729f7863211d45f2ff21f54d543972c17d51c33aaacbfb07e387b0250fe5c040

Aliases

arxiv: 1107.1673 · arxiv_version: 1107.1673v1 · doi: 10.48550/arxiv.1107.1673 · pith_short_12: OKPXQYZBDVC7 · pith_short_16: OKPXQYZBDVC7F7ZB · pith_short_8: OKPXQYZB

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/OKPXQYZBDVC7F7ZB6VGVIOLSYF \
  | 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: 729f7863211d45f2ff21f54d543972c17d51c33aaacbfb07e387b0250fe5c040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d37d76533a8cfc3cd23baa07f86e274fa134f60c6a9f95cfac69c060809e1c06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-08T16:42:44Z",
    "title_canon_sha256": "e40d74a18a9ca0988e6205565208af3dddb63acce88b79c6932a361d995fb1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1673",
    "kind": "arxiv",
    "version": 1
  }
}