Pith Number

pith:J2M6ARFO

pith:2016:J2M6ARFO2XAHA7SXSYZJ6CABNB

not attested not anchored not stored refs pending

Echidna Mark II: one giant leap for 'tilting spine' fibre positioning technology

Gavin Dalton, James Gilbert

arxiv:1606.07305 v1 · 2016-06-23 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2M6ARFO2XAHA7SXSYZJ6CABNB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:55:46.211264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e99e044aed5c0707e5796329f0801687e13c8f17580bc24e07e983457b96855

Aliases

arxiv: 1606.07305 · arxiv_version: 1606.07305v1 · doi: 10.48550/arxiv.1606.07305 · pith_short_12: J2M6ARFO2XAH · pith_short_16: J2M6ARFO2XAHA7SX · pith_short_8: J2M6ARFO

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/J2M6ARFO2XAHA7SXSYZJ6CABNB \
  | 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: 4e99e044aed5c0707e5796329f0801687e13c8f17580bc24e07e983457b96855

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20cea1dcefeef8d021edd2be22cdd904ad12b7bd7cc427f9f8b6e683b7329386",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-06-23T13:14:27Z",
    "title_canon_sha256": "f91cd1169dcbb53852c780c4c86d4b12fc2d6c38ee86b176e4b6e5660666535f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07305",
    "kind": "arxiv",
    "version": 1
  }
}