Pith Number

pith:3GATAC7H

pith:2018:3GATAC7HJ5ZUQ3YXIPXUAKZSLC

not attested not anchored not stored refs pending

Extremely $^{54}$Cr- and $^{50}$Ti-rich presolar oxide grains in a primitive meteorite: Formation in rare types of supernovae and implications for the astrophysical context of solar system birth

Conel M. O'D. Alexander, Jianhua Wang, Larry R. Nittler, Nan Liu

arxiv:1803.04286 v1 · 2018-03-12 · astro-ph.EP · 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{3GATAC7HJ5ZUQ3YXIPXUAKZSLC}

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	2026-05-18T00:18:51.512886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d981300be74f73486f1743ef402b3258953034fe878264715536be8a890db5bd

Aliases

arxiv: 1803.04286 · arxiv_version: 1803.04286v1 · doi: 10.48550/arxiv.1803.04286 · pith_short_12: 3GATAC7HJ5ZU · pith_short_16: 3GATAC7HJ5ZUQ3YX · pith_short_8: 3GATAC7H

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/3GATAC7HJ5ZUQ3YXIPXUAKZSLC \
  | 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: d981300be74f73486f1743ef402b3258953034fe878264715536be8a890db5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bbb17294eb7e7a7898418ef3b3a58fbca20bcec5ea433c1df996436eae496f4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-12T14:42:05Z",
    "title_canon_sha256": "77038a587661aaaa2ce33689ca81457d2f2ec31ac42b94ba029106f8f498e218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04286",
    "kind": "arxiv",
    "version": 1
  }
}