DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF PARAÑAQUE Award a ₱2.0M contract to CRESTA MANAGEMENT & CONSTRUCTIONCities
Transaction hash:
82c5d98bf5e2eea12e2d80ec3c69f3b3ae51aae93391d79b7d5f8de983960acf
Status:
Included and unchanged
Block:
#3,558 2,455 blocks after it
Position in block:
Transaction 72 of 146
Award day:
Oct 11, 2018 (8 yrs 1 mo ago)
From:
Value:
₱1,981,010.63
Project:
Installation of Twenty (20) Units Streetlights LED
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,558 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF PARAÑAQUE awarded it to CRESTA MANAGEMENT & CONSTRUCTION on 2018-10-11.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Parañaque gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 82c5d98bf5…960acfnow …
- 2. Block Merkle root changedstored 7635f11e88…02c4dcnow …
- 3. Block #3558 hash changedstored 0f96ea8271…64a252now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 145 records. Each step hashes the current value together with the sibling shown.
- leaf 82c5d98bf5e2eea12e2d80ec3c69f3b3ae51aae93391d79b7d5f8de983960acf
- 01 R 84d5ec352720ee550b60d65c048a8b4405ada37c4dd1b9c36ed6dab3d1d35a3b
- 02 R ddb61fa428be3d9a48ee6b691de4bc4f91188be606a7a2eda44128348448f47c
- 03 R 9d12c5d65774caeb920ba9f4afb91141389727c3a62004c0e17de0d5003820e1
- 04 L ab6c81c4200c24e1c0350d4aad1ede879e8814af4a8e6e7624a26c9cfa7049a8
- 05 R 91a412c69709581ee49abc64757fcab51f03dd56df0e36cfee6f75e6d4293bcd
- 06 R 0465675102a25d666622a88f162487d3288348fc45574f8610c82589c871dec9
- 07 L a134fc6663cd4a64ddc49cf873028d9737a1d75906422c65f4db0eeba384de91
- 08 R 144dad24b32efc2a0de99e69e00229b95dad0e343d8d1a14c352f893845f3824
- root 7635f11e88bd968d85314b2d7d720024cb4b5ada8b810475438308675402c4dc