Pith Number

pith:SSQB2P6W

pith:2013:SSQB2P6WS7O6KRX6CVHCQ7IESX

not attested not anchored not stored refs pending

Wojtek Dziembowski: selected photos and events of his scientific biography

Alexey A. Pamyatnykh

arxiv:1312.0769 v1 · 2013-12-03 · 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{SSQB2P6WS7O6KRX6CVHCQ7IESX}

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	2026-05-18T01:45:59.301574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94a01d3fd697dde546fe154e287d0495ed7b150335d3ea6f36be7602ebd1f827

Aliases

arxiv: 1312.0769 · arxiv_version: 1312.0769v1 · doi: 10.48550/arxiv.1312.0769 · pith_short_12: SSQB2P6WS7O6 · pith_short_16: SSQB2P6WS7O6KRX6 · pith_short_8: SSQB2P6W

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/SSQB2P6WS7O6KRX6CVHCQ7IESX \
  | 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: 94a01d3fd697dde546fe154e287d0495ed7b150335d3ea6f36be7602ebd1f827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9373abd57b54900b533b9cca29e667df0b68994b5825213826c0b773a4e6657d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-03T11:13:33Z",
    "title_canon_sha256": "097b69c1d9cb6bf143739037589a84a3293ced3066d835e1aef66146795a45ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0769",
    "kind": "arxiv",
    "version": 1
  }
}