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 ₱958.4K contract to SPRING STAR CONSTRUCTION AND SUPPLYCities
Transaction hash:
b51c478e6cbcea3fdec58b1d323255456517deecd3530713d55b4d9b6122b601
Status:
Included and unchanged
Block:
#2,919 3,094 blocks after it
Position in block:
Transaction 113 of 170
Award day:
Nov 29, 2016 (9 yrs 11 mo ago)
From:
Value:
₱958,365.28
Project:
Installation of 30 Units Streetlights LED Type
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 #2,919 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 SPRING STAR CONSTRUCTION AND SUPPLY on 2016-11-29.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 b51c478e6c…22b601now …
- 2. Block Merkle root changedstored 027076fa79…6c0addnow …
- 3. Block #2919 hash changedstored a4839dddc0…4f074dnow …
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 169 records. Each step hashes the current value together with the sibling shown.
- leaf b51c478e6cbcea3fdec58b1d323255456517deecd3530713d55b4d9b6122b601
- 01 L b4e1f4b0a987402a7b423bca7a08759943e20beb5a9ed85b9ebd0fd6a174650f
- 02 R bacc4dcc362317271cad2c62d30c48b1d517873595726181c0b41e66c9e5d17c
- 03 R dba1725140db767b9e5cf01a6c45d17ccab197bbcdf5b5a4f2e7ffc006a05964
- 04 R 3559b49f08d92ead1e04e7f1e3f4bf21295d772f0c6e68fcc21a40b07096c379
- 05 L 59705e1c867f2fb8164b4fd49cbf891ef9f31bd4de523babfc17af7f15dc61a0
- 06 L fe51a01d49634d70821ef2a7bc10964270d1e5b308b422a4996b817cb7c5d2dc
- 07 L dcfe6290d503090cdcd695d37746000a890806cfa56bfd0c2d3fd92da4b48e0b
- 08 R 44503f23209dd2448f99d1403039dca447c238432e3591efb3459d4abb157265
- root 027076fa795b7328864bd932be661351c9d828d29ca1e2caaca3b6b31d6c0add