Pith Number

pith:MTDRE3MR

pith:2021:MTDRE3MRASJ63C3LIU5QVFTAGO

not attested not anchored not stored refs pending

Evidence of solar-cycle related structural changes in the solar convection zone

Sarbani Basu

arxiv:2106.08383 v1 · 2021-06-15 · 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{MTDRE3MRASJ63C3LIU5QVFTAGO}

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	2026-07-05T03:08:32.826556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c7126d910493ed8b6b453b0a966033800c7e3fcd56953706945cd78dcde62b

Aliases

arxiv: 2106.08383 · arxiv_version: 2106.08383v1 · doi: 10.48550/arxiv.2106.08383 · pith_short_12: MTDRE3MRASJ6 · pith_short_16: MTDRE3MRASJ63C3L · pith_short_8: MTDRE3MR

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/MTDRE3MRASJ63C3LIU5QVFTAGO \
  | 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: 64c7126d910493ed8b6b453b0a966033800c7e3fcd56953706945cd78dcde62b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae4e088b77cc5f18c8cc324758ca9f39dba6cfd4e41190927b64bc9910a62373",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-06-15T19:26:21Z",
    "title_canon_sha256": "e5d52a80f83050d26975bc08b2f224c267c3e919bbc9c7624c8fc5c165e0c1da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08383",
    "kind": "arxiv",
    "version": 1
  }
}