Pith Number

pith:EWOPELGO

pith:2021:EWOPELGOWVSNODPZMPEMT4SSWR

not attested not anchored not stored refs pending

Physics and Chemistry on the Surface of Cosmic Dust Grains: A Laboratory View

Alexey Potapov, Martin McCoustra

arxiv:2105.01387 v1 · 2021-05-04 · astro-ph.GA · physics.chem-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{EWOPELGOWVSNODPZMPEMT4SSWR}

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	2026-07-05T02:37:16.630981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

259cf22cceb564d70df963c8c9f252b478e6e07b1576df20f0cd82b7fcabe42a

Aliases

arxiv: 2105.01387 · arxiv_version: 2105.01387v1 · doi: 10.48550/arxiv.2105.01387 · pith_short_12: EWOPELGOWVSN · pith_short_16: EWOPELGOWVSNODPZ · pith_short_8: EWOPELGO

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/EWOPELGOWVSNODPZMPEMT4SSWR \
  | 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: 259cf22cceb564d70df963c8c9f252b478e6e07b1576df20f0cd82b7fcabe42a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e64b273afc9755c7d2449e7aaf004577756ece86668448a0d4a035676b8ebb44",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-04T09:44:44Z",
    "title_canon_sha256": "fb779c864f779c9fe4c9041a965cec56f1073d62ebd124b37b413d3eba80eb48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.01387",
    "kind": "arxiv",
    "version": 1
  }
}