Pith Number

pith:DYOLAETK

pith:2017:DYOLAETKPCXPVO3GZLETY6352Z

not attested not anchored not stored refs pending

Hubble Space Telescope Trigonometric Parallax of Polaris B, Companion of the Nearest Cepheid

(2) STScI, (3) Center for Astrophysics, (4) CHARA, (5) NOAO), Dianne Harmer (5) ((1) Penn State, Edmund P. Nelan (2), Gail H. Schaefer (4), Howard E. Bond (1), Nancy Remage Evans (3)

arxiv:1712.08139 v1 · 2017-12-21 · 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{DYOLAETKPCXPVO3GZLETY6352Z}

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	2026-05-18T00:24:14.615767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e1cb0126a78aefabb66cac93c7b7dd663394b902e35ff0f944d5df79b22bcaa

Aliases

arxiv: 1712.08139 · arxiv_version: 1712.08139v1 · doi: 10.48550/arxiv.1712.08139 · pith_short_12: DYOLAETKPCXP · pith_short_16: DYOLAETKPCXPVO3G · pith_short_8: DYOLAETK

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/DYOLAETKPCXPVO3GZLETY6352Z \
  | 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: 1e1cb0126a78aefabb66cac93c7b7dd663394b902e35ff0f944d5df79b22bcaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c10981a767c91bb414c71aea734aa0422ebd43d15bbf8b2197773bec9859ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-21T18:25:02Z",
    "title_canon_sha256": "6251ecfad14f16564b530acd89d37de1b920e2ddd9db0adb9f84a7f378feacaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08139",
    "kind": "arxiv",
    "version": 1
  }
}