Pith Number

pith:DPUJP3IP

pith:2009:DPUJP3IPTWHFCLY5LJS5PJ3WOA

not attested not anchored not stored refs pending

HD 69686: A Mysterious High Velocity B Star

Douglas R. Gies, M. Virginia McSwain, Wenjin Huang

arxiv:0907.3758 v1 · 2009-07-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPUJP3IPTWHFCLY5LJS5PJ3WOA}

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	2026-05-18T02:12:54.852402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be897ed0f9d8e512f1d5a65d7a776702aed28cecf680ca63d70a3c315283a9f

Aliases

arxiv: 0907.3758 · arxiv_version: 0907.3758v1 · doi: 10.48550/arxiv.0907.3758 · pith_short_12: DPUJP3IPTWHF · pith_short_16: DPUJP3IPTWHFCLY5 · pith_short_8: DPUJP3IP

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/DPUJP3IPTWHFCLY5LJS5PJ3WOA \
  | 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: 1be897ed0f9d8e512f1d5a65d7a776702aed28cecf680ca63d70a3c315283a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce8d716080d688125c8b328ed02d3cab65ea70dff86d1db1e41b9fed53f45276",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-21T23:23:29Z",
    "title_canon_sha256": "ef4c390ecef60f74c601f6d2a7e8a1a9146e9a8e4ddc41aed6a9147ea297adb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3758",
    "kind": "arxiv",
    "version": 1
  }
}