Pith Number

pith:U3WE3AKW

pith:2023:U3WE3AKWRFRR6THHKAVZADCEDC

not attested not anchored not stored refs pending

A Compact Source of Positron Beams with Small Thermal Emittance

Rafi Hessami, Spencer Gessner

arxiv:2301.08368 v2 · 2023-01-20 · physics.acc-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{U3WE3AKWRFRR6THHKAVZADCEDC}

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	2026-07-05T07:31:26.721479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ec4d815689631f4ce7502b900c4418b333f8fc86ace4f075ec1f2c03e11724

Aliases

arxiv: 2301.08368 · arxiv_version: 2301.08368v2 · doi: 10.48550/arxiv.2301.08368 · pith_short_12: U3WE3AKWRFRR · pith_short_16: U3WE3AKWRFRR6THH · pith_short_8: U3WE3AKW

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/U3WE3AKWRFRR6THHKAVZADCEDC \
  | 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: a6ec4d815689631f4ce7502b900c4418b333f8fc86ace4f075ec1f2c03e11724

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4483ae600ccd3723c10a6b57e1dde288a949cf3bd4746197db5b0da787d27a7b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2023-01-20T00:14:59Z",
    "title_canon_sha256": "0bf650ca548f762fef8e4b0995d17f8276672e4c906338e63f4459dc46fadf0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.08368",
    "kind": "arxiv",
    "version": 2
  }
}