Pith Number

pith:GTSGT2A2

pith:2014:GTSGT2A2DZKSEUV6F2V37VF6XU

not attested not anchored not stored refs pending

Free Core Nutation observed by VLBI

Hana Kr\'asn\'a, Harald Schuh, Johannes B\"ohm

arxiv:1401.7465 v1 · 2014-01-29 · 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{GTSGT2A2DZKSEUV6F2V37VF6XU}

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	2026-05-18T03:00:48.334159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34e469e81a1e552252be2eabbfd4bebd0dab2dabe11c8e024d9a40cc9f03c5aa

Aliases

arxiv: 1401.7465 · arxiv_version: 1401.7465v1 · doi: 10.48550/arxiv.1401.7465 · pith_short_12: GTSGT2A2DZKS · pith_short_16: GTSGT2A2DZKSEUV6 · pith_short_8: GTSGT2A2

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/GTSGT2A2DZKSEUV6F2V37VF6XU \
  | 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: 34e469e81a1e552252be2eabbfd4bebd0dab2dabe11c8e024d9a40cc9f03c5aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d795654d34794f701d9ae2435ba5e963e352e3a388990b8809bb02d0b12fc28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-01-29T10:50:29Z",
    "title_canon_sha256": "82c42f15053abfaf1d6fc297301a23936df04707a3a92e97ce6aee5cf3ad115a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7465",
    "kind": "arxiv",
    "version": 1
  }
}