Pith Number

pith:S5APBDNN

pith:2016:S5APBDNNGP77PH7P6SDNROVZ4L

not attested not anchored not stored refs pending

The time evolution of HH~2 from four epochs of HST images

A. C. Raga, A. Esquivel, B. Reipurth, J. Bally, P. F. Vel\'azquez

arxiv:1610.01951 v1 · 2016-10-06 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5APBDNNGP77PH7P6SDNROVZ4L}

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	2026-05-18T00:55:40.975886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9740f08dad33fff79feff486d8bab9e2eb3ed6f40f0e5d33c7431566bf9713b2

Aliases

arxiv: 1610.01951 · arxiv_version: 1610.01951v1 · doi: 10.48550/arxiv.1610.01951 · pith_short_12: S5APBDNNGP77 · pith_short_16: S5APBDNNGP77PH7P · pith_short_8: S5APBDNN

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/S5APBDNNGP77PH7P6SDNROVZ4L \
  | 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: 9740f08dad33fff79feff486d8bab9e2eb3ed6f40f0e5d33c7431566bf9713b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd54b2cdd5047c81a8c27a7b70fd0195d2f2684917ba0e332b339f6fb4e1b83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-06T17:08:12Z",
    "title_canon_sha256": "b4366a0a383f67256b589fb053b423c7b4d0c169321ba14ea6e0f08dc05261a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01951",
    "kind": "arxiv",
    "version": 1
  }
}