Pith Number

pith:V2FU7NY3

pith:2019:V2FU7NY3LLOSTTDLRP27ALEWYM

not attested not anchored not stored refs pending

USID and Pycroscopy -- Open frameworks for storing and analyzing spectroscopic and imaging data

Alex Belianinov, Andrew R. Lupini, Anton Ievlev, Chris R. Smith, Mallikarjun Shankar, Nouamane Laanait, Rama K. Vasudevan, Sergei V. Kalinin, Stephen Jesse, Suhas Somnath

arxiv:1903.09515 v2 · 2019-03-22 · physics.data-an

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

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	2026-05-17T23:50:04.332261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae8b4fb71b5add29cc6b8bf5f02c96c3227619987c54d89ffb60f1b9077698b3

Aliases

arxiv: 1903.09515 · arxiv_version: 1903.09515v2 · doi: 10.48550/arxiv.1903.09515 · pith_short_12: V2FU7NY3LLOS · pith_short_16: V2FU7NY3LLOSTTDL · pith_short_8: V2FU7NY3

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/V2FU7NY3LLOSTTDLRP27ALEWYM \
  | 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: ae8b4fb71b5add29cc6b8bf5f02c96c3227619987c54d89ffb60f1b9077698b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8afb8d75b818f4627e0350024a589e16bfae61132984fee54d5353d8286f33fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2019-03-22T14:11:46Z",
    "title_canon_sha256": "082c04e3fe9410718e25b5e2fe779131f6bfcc2efe0a72a02871884e5bf9ada8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09515",
    "kind": "arxiv",
    "version": 2
  }
}