Pith Number

pith:AMZ7XCPY

pith:2019:AMZ7XCPY2X6ZS2YP6AVETARIBR

not attested not anchored not stored refs pending

Positronium formation in graphene and graphite

A. H. Weiss, A. J. Fairchild, A. R. Koymen, M. D. Chrysler, R. W. Gladen, V. A. Chirayath

arxiv:1907.10573 v1 · 2019-07-24 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMZ7XCPY2X6ZS2YP6AVETARIBR}

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	2026-07-05T00:36:29.786050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0333fb89f8d5fd996b0ff02a4982280c6f465d1246ddb635be6f2f17457ec8a1

Aliases

arxiv: 1907.10573 · arxiv_version: 1907.10573v1 · doi: 10.48550/arxiv.1907.10573 · pith_short_12: AMZ7XCPY2X6Z · pith_short_16: AMZ7XCPY2X6ZS2YP · pith_short_8: AMZ7XCPY

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/AMZ7XCPY2X6ZS2YP6AVETARIBR \
  | 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: 0333fb89f8d5fd996b0ff02a4982280c6f465d1246ddb635be6f2f17457ec8a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4300b8a720a56ebd1f04f94de9ae98420c09b18dc52cb9f634899b5e77eb69a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-07-24T17:24:44Z",
    "title_canon_sha256": "9e00824953e8ffe2dc2e007a4aaed78fef31370153fe39f4315d9113cce27e6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10573",
    "kind": "arxiv",
    "version": 1
  }
}