Pith Number

pith:7VVZF6R5

pith:2018:7VVZF6R5F63TPWHFMWDTP2SUNV

not attested not anchored not stored refs pending

Possible Counter Rotation between the Disk and Protostellar Envelope around the Class I Protostar IRAS 04169+2702

Kazuya Saigo, Masao Saito, Shigehisa Takakuwa, Yusuke Tsukamoto

arxiv:1808.06039 v1 · 2018-08-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VVZF6R5F63TPWHFMWDTP2SUNV}

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	2026-05-18T00:03:45.558980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd6b92fa3d2fb737d8e5658737ea546d68b59ef12ca98e10bb24ee418bc5d2e8

Aliases

arxiv: 1808.06039 · arxiv_version: 1808.06039v1 · doi: 10.48550/arxiv.1808.06039 · pith_short_12: 7VVZF6R5F63T · pith_short_16: 7VVZF6R5F63TPWHF · pith_short_8: 7VVZF6R5

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/7VVZF6R5F63TPWHFMWDTP2SUNV \
  | 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: fd6b92fa3d2fb737d8e5658737ea546d68b59ef12ca98e10bb24ee418bc5d2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893d6d3e508b90e2b4bf1c6b93739da38e8a1db3d3c0901a2e984696f98b5fa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-18T04:24:41Z",
    "title_canon_sha256": "525a884dfcff32d115821ba79cf87d2291a73f5b0c611bc66abca14314532b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06039",
    "kind": "arxiv",
    "version": 1
  }
}