Pith Number

pith:PHDUEZAK

pith:2017:PHDUEZAKZQED25SNBZKIOUD4YQ

not attested not anchored not stored refs pending

The Frequency-dependent Damping of Slow Magnetoacoustic Waves in a Sunspot Umbral Atmosphere

D. B. Jess, D. J. Christian, G. Verth, R. Erdelyi, R. J. Morton, S. Krishna Prasad, T. Van Doorsselaere, V. Fedun

arxiv:1708.04835 v1 · 2017-08-16 · 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{PHDUEZAKZQED25SNBZKIOUD4YQ}

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	2026-05-18T00:34:46.450360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c742640acc083d764d0e5487507cc41f2fe5557748c29978af7b205b9d5edd

Aliases

arxiv: 1708.04835 · arxiv_version: 1708.04835v1 · doi: 10.48550/arxiv.1708.04835 · pith_short_12: PHDUEZAKZQED · pith_short_16: PHDUEZAKZQED25SN · pith_short_8: PHDUEZAK

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/PHDUEZAKZQED25SNBZKIOUD4YQ \
  | 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: 79c742640acc083d764d0e5487507cc41f2fe5557748c29978af7b205b9d5edd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "684611056238dddfc247f88077204421346d23b1512de939992c5fc177e5b732",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-08-16T10:28:10Z",
    "title_canon_sha256": "fe286a4611670aa6cca56790bd362ab9e19c5266c1479b4871d6d2b2b7932b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04835",
    "kind": "arxiv",
    "version": 1
  }
}