Pith Number

pith:UY43DMYN

pith:2009:UY43DMYNUVM5G2KR74SARGUTNE

not attested not anchored not stored refs pending

Permeability of Noble Gases through Kapton, Butyl, Nylon, and "Silver Shield"

Colin B. Connolly, John M. Doyle, Steven J. Schowalter

arxiv:0909.2610 v2 · 2009-09-14 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UY43DMYNUVM5G2KR74SARGUTNE}

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	2026-05-18T02:11:48.038088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a639b1b30da559d36951ff24089a93693c8c18f8e655bf5195baba695fe9a495

Aliases

arxiv: 0909.2610 · arxiv_version: 0909.2610v2 · doi: 10.48550/arxiv.0909.2610 · pith_short_12: UY43DMYNUVM5 · pith_short_16: UY43DMYNUVM5G2KR · pith_short_8: UY43DMYN

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/UY43DMYNUVM5G2KR74SARGUTNE \
  | 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: a639b1b30da559d36951ff24089a93693c8c18f8e655bf5195baba695fe9a495

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01737ce1b8a1c02ff6ec88c092e26389b1b14977cdb5e996cf51eb62a8cec47f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2009-09-14T17:51:16Z",
    "title_canon_sha256": "05585f84baa4b8e1ea0405d7a2d07b09ff21eae1e2e45372bcfcdbd76e31b68d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2610",
    "kind": "arxiv",
    "version": 2
  }
}