Pith Number

pith:HTOD64CT

pith:1997:HTOD64CTJRNF5HM5M3QXYCFF6C

not attested not anchored not stored refs pending

The variable radio emission from GRS 1915+105

Cambridge), G.G. Pooley (MRAO, R.P. Fender (Sussex)

arxiv:astro-ph/9708171 v1 · 1997-08-19 · 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{HTOD64CTJRNF5HM5M3QXYCFF6C}

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	2026-05-18T01:40:16.844378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cdc3f70534c5a5e9d9d66e17c08a5f0a1947028c670e5913419ed3a3750b618

Aliases

arxiv: astro-ph/9708171 · arxiv_version: astro-ph/9708171v1 · doi: 10.48550/arxiv.astro-ph/9708171 · pith_short_12: HTOD64CTJRNF · pith_short_16: HTOD64CTJRNF5HM5 · pith_short_8: HTOD64CT

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/HTOD64CTJRNF5HM5M3QXYCFF6C \
  | 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: 3cdc3f70534c5a5e9d9d66e17c08a5f0a1947028c670e5913419ed3a3750b618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8569d156c1027aea9c2b2fb3a0b999e3ae5259919b7b27dfbecc8a32b97cb16e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-19T15:52:22Z",
    "title_canon_sha256": "b963b56a43019aab984e87d92bd53a9945f5d2d120a3881f468b9199d559c070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708171",
    "kind": "arxiv",
    "version": 1
  }
}