Pith Number

pith:SJEHRIU4

pith:2021:SJEHRIU44YVXY6MLHCI3LE7ERI

not attested not anchored not stored refs pending

Chemical signatures of a warped protoplanetary disc

Alice Booth, Alison K. Young, Catherine Walsh, Christophe Pinte, Rebecca Nealon, Richard Alexander

arxiv:2106.02660 v1 · 2021-06-04 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJEHRIU44YVXY6MLHCI3LE7ERI}

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	2026-07-05T02:55:49.562261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

924878a29ce62b7c798b3891b593e48a2d3f9948823932038e0bc350bc60e496

Aliases

arxiv: 2106.02660 · arxiv_version: 2106.02660v1 · doi: 10.48550/arxiv.2106.02660 · pith_short_12: SJEHRIU44YVX · pith_short_16: SJEHRIU44YVXY6ML · pith_short_8: SJEHRIU4

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/SJEHRIU44YVXY6MLHCI3LE7ERI \
  | 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: 924878a29ce62b7c798b3891b593e48a2d3f9948823932038e0bc350bc60e496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6bd5f788d73de9c54f525c03a2d89a28f289018da94bcdaec5241598f6b214f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-06-04T18:17:17Z",
    "title_canon_sha256": "e321c26b919ca60a4766b00389dc1f07c3d87037582966ee4647e2e66745f128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02660",
    "kind": "arxiv",
    "version": 1
  }
}