Pith Number

pith:R2IS6G5R

pith:2009:R2IS6G5RFWZPA6SV3TI272MKDQ

not attested not anchored not stored refs pending

Presolar Diamond in Meteorites

Sachiko Amari

arxiv:0910.0864 v1 · 2009-10-05 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2IS6G5RFWZPA6SV3TI272MKDQ}

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	2026-05-18T04:37:33.714084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e912f1bb12db2f07a55dcd1afe98a1c3588c4b11116d8a5a6a2af4414bee277

Aliases

arxiv: 0910.0864 · arxiv_version: 0910.0864v1 · doi: 10.48550/arxiv.0910.0864 · pith_short_12: R2IS6G5RFWZP · pith_short_16: R2IS6G5RFWZPA6SV · pith_short_8: R2IS6G5R

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/R2IS6G5RFWZPA6SV3TI272MKDQ \
  | 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: 8e912f1bb12db2f07a55dcd1afe98a1c3588c4b11116d8a5a6a2af4414bee277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0afc2bc904b5f2e339324e3a85d6362b42c0b0b06854f04abb6f442b27d3280",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-10-05T20:58:31Z",
    "title_canon_sha256": "445b2ac2ace278719cbf483a0367b5b8026ab0283f64bcc098d096037a47b76d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0864",
    "kind": "arxiv",
    "version": 1
  }
}