Pith Number

pith:EMFWV5KJ

pith:2018:EMFWV5KJA2J4GIEGKLAZ5PL4AR

not attested not anchored not stored refs pending

Seeing Site-Specific Isotopic Labeling of Amino Acids with Vibrational Spectroscopy in the Electron Microscope

Ilja Popovs, Jacek Jakowski, Jingsong Huang, Jordan A. Hachtel, Juan Carlos Idrobo, Santa Jansone-Popova

arxiv:1808.02794 v1 · 2018-08-08 · cond-mat.soft · physics.app-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{EMFWV5KJA2J4GIEGKLAZ5PL4AR}

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	2026-05-18T00:08:32.153703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230b6af5490693c3208652c19ebd7c0456068411634c60a7be4fa4ec889d10ef

Aliases

arxiv: 1808.02794 · arxiv_version: 1808.02794v1 · doi: 10.48550/arxiv.1808.02794 · pith_short_12: EMFWV5KJA2J4 · pith_short_16: EMFWV5KJA2J4GIEG · pith_short_8: EMFWV5KJ

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/EMFWV5KJA2J4GIEGKLAZ5PL4AR \
  | 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: 230b6af5490693c3208652c19ebd7c0456068411634c60a7be4fa4ec889d10ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efebf9722794bfaaa1cfc8e083c984a5837531a7e567f7bd4a9cba2cf8cda2ee",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-08-08T14:26:09Z",
    "title_canon_sha256": "cb643d1ea7ca1d570eb089e73fe0775361f47833c54b5a88934c7fbc64f16aa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02794",
    "kind": "arxiv",
    "version": 1
  }
}