Pith Number

pith:QKWUQNRW

pith:1997:QKWUQNRWQMHBJIWBPFZPLCDZFH

not attested not anchored not stored refs pending

Water maser emission and the parsec-scale jet in NGC 3079

Adam S. Trotter, James M. Moran, Judith A. Irwin, Kwok-Yung Lo, Lincoln J. Greenhill, Mark J. Reid

arxiv:astro-ph/9712086 v1 · 1997-12-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKWUQNRWQMHBJIWBPFZPLCDZFH}

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	2026-07-04T16:03:31.124877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ad483636830e14a2c17972f5887929fd6c7b9fa1cb303b1d829e068a58954c

Aliases

arxiv: astro-ph/9712086 · arxiv_version: astro-ph/9712086v1 · doi: 10.48550/arxiv.astro-ph/9712086 · pith_short_12: QKWUQNRWQMHB · pith_short_16: QKWUQNRWQMHBJIWB · pith_short_8: QKWUQNRW

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/QKWUQNRWQMHBJIWBPFZPLCDZFH \
  | 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: 82ad483636830e14a2c17972f5887929fd6c7b9fa1cb303b1d829e068a58954c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06fa99270d757c2296af741e6aaba10a87b3ae922ca076b06111a4c133fe7528",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-05T18:17:09Z",
    "title_canon_sha256": "a70c183915e963257834f6bbc8dfcd0dc7e398746f60dcdd2909aa3238fc3a54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712086",
    "kind": "arxiv",
    "version": 1
  }
}