Pith Number

pith:V4AKEZ5U

pith:2019:V4AKEZ5UGJFQA4G2PMB4KTFLTA

not attested not anchored not stored refs pending

Carbon Nanotube Fabrication at Industrial Scale: Opportunities and Challenges

Joydip Sengupta

arxiv:1909.01242 v1 · 2019-08-27 · physics.app-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4AKEZ5UGJFQA4G2PMB4KTFLTA}

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	2026-07-05T00:01:17.269690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af00a267b4324b0070da7b03c54cab98343901dfef1f97a2b2c5ac3db63199c9

Aliases

arxiv: 1909.01242 · arxiv_version: 1909.01242v1 · doi: 10.48550/arxiv.1909.01242 · pith_short_12: V4AKEZ5UGJFQ · pith_short_16: V4AKEZ5UGJFQA4G2 · pith_short_8: V4AKEZ5U

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/V4AKEZ5UGJFQA4G2PMB4KTFLTA \
  | 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: af00a267b4324b0070da7b03c54cab98343901dfef1f97a2b2c5ac3db63199c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2edaee17e48677360c0791a1534b8e7ff6765f0689be50a0ace6e5bd70449538",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-08-27T06:28:06Z",
    "title_canon_sha256": "ac4a02439a3c52db262c6172d95386ec823a1434db300072a5904df4ec37c7c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01242",
    "kind": "arxiv",
    "version": 1
  }
}