Pith Number

pith:7K3KMJ5A

pith:2016:7K3KMJ5ABC6BIMOJS2IX7HOA7P

not attested not anchored not stored refs pending

Etching Processes of Polytetrafluoroethylene Surfaces Exposed to He and He-O2 Atmospheric Post-discharges

F Reniers, J Hubert, Nicolas Vandencasteele, Roberto Lazzaroni, Simon Desbief, Thierry Dufour

arxiv:1604.08815 v1 · 2016-04-29 · physics.plasm-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{7K3KMJ5ABC6BIMOJS2IX7HOA7P}

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	2026-05-18T01:16:01.657294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab6a627a008bc1431c996917f9dc0fbe532a4804ea21a8a08d7a6e011129ac7

Aliases

arxiv: 1604.08815 · arxiv_version: 1604.08815v1 · doi: 10.48550/arxiv.1604.08815 · pith_short_12: 7K3KMJ5ABC6B · pith_short_16: 7K3KMJ5ABC6BIMOJ · pith_short_8: 7K3KMJ5A

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/7K3KMJ5ABC6BIMOJS2IX7HOA7P \
  | 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: fab6a627a008bc1431c996917f9dc0fbe532a4804ea21a8a08d7a6e011129ac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ac5feae74ec6cc06203ca3e8f5ab2bc04cb60686df33e658f954d2527a93d78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2016-04-29T13:05:59Z",
    "title_canon_sha256": "3b4ab6474b4b814e3c1af1c599ba89885dc859850324d2406dd7cf9f233d3e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08815",
    "kind": "arxiv",
    "version": 1
  }
}