Pith Number

pith:AMSP6TD2

pith:2018:AMSP6TD2TA5FVIH4PQP3KOFEOI

not attested not anchored not stored refs pending

Possible dwarf nova on the Digitized Sky Survey plates

F. D. Romanov

arxiv:1809.03091 v1 · 2018-09-10 · 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{AMSP6TD2TA5FVIH4PQP3KOFEOI}

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	2026-05-18T00:06:10.092733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0324ff4c7a983a5aa0fc7c1fb538a4720bcff051e9ed546bc59504d1011cba9b

Aliases

arxiv: 1809.03091 · arxiv_version: 1809.03091v1 · doi: 10.48550/arxiv.1809.03091 · pith_short_12: AMSP6TD2TA5F · pith_short_16: AMSP6TD2TA5FVIH4 · pith_short_8: AMSP6TD2

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/AMSP6TD2TA5FVIH4PQP3KOFEOI \
  | 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: 0324ff4c7a983a5aa0fc7c1fb538a4720bcff051e9ed546bc59504d1011cba9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5458f642656c000a9867ca9966a8afba9a5ff93c385c3ae6ad79eb54ecff058e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-10T02:24:37Z",
    "title_canon_sha256": "a68db4cafe628b28c82d8b871e4b0f6160218908ec5dd36737cfeee9b7c3d4f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03091",
    "kind": "arxiv",
    "version": 1
  }
}