Pith Number

pith:UM6YCZOB

pith:2015:UM6YCZOBX55TGPSXC5Z6PX2JLT

not attested not anchored not stored refs pending

Quasi-normal acoustic oscillations in the Michel flow

Eliana Chaverra, Manuel D. Morales, Olivier Sarbach

arxiv:1501.01637 v2 · 2015-01-07 · gr-qc · 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{UM6YCZOBX55TGPSXC5Z6PX2JLT}

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	2026-05-18T01:55:42.399500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33d8165c1bf7b333e571773e7df495cdf332af102d825a96f3790f017fc0b7a

Aliases

arxiv: 1501.01637 · arxiv_version: 1501.01637v2 · doi: 10.48550/arxiv.1501.01637 · pith_short_12: UM6YCZOBX55T · pith_short_16: UM6YCZOBX55TGPSX · pith_short_8: UM6YCZOB

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/UM6YCZOBX55TGPSXC5Z6PX2JLT \
  | 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: a33d8165c1bf7b333e571773e7df495cdf332af102d825a96f3790f017fc0b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5673a40ef28edf0b6821634b8a4cc35e5e9f1f7f1de04ea98c84a3d5cee58ea",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-07T21:00:12Z",
    "title_canon_sha256": "563914068a50435bad9753e9680045b50b6519be9587aa4957d1d5804fd97507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01637",
    "kind": "arxiv",
    "version": 2
  }
}