Pith Number

pith:3MAJEB4B

pith:2001:3MAJEB4BAENEJUQMMPNW4RFY3Q

not attested not anchored not stored refs pending

Role of surface roughness in hard x-ray emission from femtosecond laser produced copper plasmas

A. S. Sandhu, G. R. Kumar, L. C. Tribedi, P. P. Rajeev, S. Banerjee

arxiv:physics/0101019 v2 · 2001-01-03 · physics.plasm-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3MAJEB4BAENEJUQMMPNW4RFY3Q}

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	2026-07-04T16:28:43.987836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db00920781011a44d20c63db6e44b8dc33146a868e649689cf892cd425c5f41f

Aliases

arxiv: physics/0101019 · arxiv_version: physics/0101019v2 · doi: 10.48550/arxiv.physics/0101019 · pith_short_12: 3MAJEB4BAENE · pith_short_16: 3MAJEB4BAENEJUQM · pith_short_8: 3MAJEB4B

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/3MAJEB4BAENEJUQMMPNW4RFY3Q \
  | 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: db00920781011a44d20c63db6e44b8dc33146a868e649689cf892cd425c5f41f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41aa028d397e66f5e5b2ee2ae8889f4bec0d9d5009687e86e6ad0ea4e813e771",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2001-01-03T11:28:35Z",
    "title_canon_sha256": "d42d0b763491086f5b3788512311b5ce0c7e034f153984c0af29822e1fe2db76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0101019",
    "kind": "arxiv",
    "version": 2
  }
}