Pith Number

pith:WNWTW2HH

pith:2021:WNWTW2HHFKJMCVCPDS6PZDCQUG

not attested not anchored not stored refs pending

Analysis of core-mantle boundary seismic waves using full\-waveform modelling and adjoint methods

Andreas Fichtner, Anselme Borgeaud, Fr\'ed\'eric Deschamps, Maria Koroni

arxiv:2110.11068 v1 · 2021-10-21 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNWTW2HHFKJMCVCPDS6PZDCQUG}

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	2026-07-05T05:09:49.738262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b36d3b68e72a92c1544f1cbcfc8c50a19fae56cca6eeea13f4f57b8bfdca02fc

Aliases

arxiv: 2110.11068 · arxiv_version: 2110.11068v1 · doi: 10.48550/arxiv.2110.11068 · pith_short_12: WNWTW2HHFKJM · pith_short_16: WNWTW2HHFKJMCVCP · pith_short_8: WNWTW2HH

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/WNWTW2HHFKJMCVCPDS6PZDCQUG \
  | 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: b36d3b68e72a92c1544f1cbcfc8c50a19fae56cca6eeea13f4f57b8bfdca02fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58d555c5632198ba7d3330c2a5e0d7ff1fe5ccc01d0436366a0e3c1ce46dd8f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2021-10-21T11:34:02Z",
    "title_canon_sha256": "74e436576b465d037faabb77accd34459303fdb540ed7b3d5d976b5842a47e84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11068",
    "kind": "arxiv",
    "version": 1
  }
}