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 MAKATI Award a ₱2.5M contract to VIRAY CONSTRUCTION AND ASSOCIATES, INC.Cities
Transaction hash:
94ede973e21301ac0986de25b1b9322b73381b0908fe7f93f31e9c6fcb5a022e
Status:
Included and unchanged
Block:
#3,214 2,799 blocks after it
Position in block:
Transaction 137 of 230
Award day:
Oct 10, 2017 (9 yrs 1 mo ago)
From:
Value:
₱2,462,481.00
Project:
Proposed Repair and Improvement of Four (4) Storey
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 #3,214 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 MAKATI awarded it to VIRAY CONSTRUCTION AND ASSOCIATES, INC. on 2017-10-10.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 Makati 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 94ede973e2…5a022enow …
- 2. Block Merkle root changedstored 5739bc69a6…6178c1now …
- 3. Block #3214 hash changedstored fdc5fb9bc1…48351enow …
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 229 records. Each step hashes the current value together with the sibling shown.
- leaf 94ede973e21301ac0986de25b1b9322b73381b0908fe7f93f31e9c6fcb5a022e
- 01 L 93e40a40db07a6ffed5c0f951276183b840b0cc2e6f8fdb998dd2c41dd0e8b1b
- 02 R 78341aab79614085163e3668fa11888d4a0af8604a26ffc1a07ee3709dd3a170
- 03 R 95e399fb3ec006cbbb0fe8a920ddd4e08de1dd2f953294783445637a622196a0
- 04 L 695e85d59b2962258c6b95e7908235976520ec9e8495d9ef23db41cd2e6fae8a
- 05 R fdb5a203a9ed7b026833bcc438d44644d06f6931d1f4540b83dfad306ad749f6
- 06 R 9f3b9d842c67c1fe7b4a44bdd03fdef02e2130943e70bdc74e05c41a3bb19991
- 07 R 296bc54b2c7b98e77eab0a3cd5d69db7de38481af3a4bfc68b3d25391bdab7ca
- 08 L f0590003e402ce4c57a048007cdb565e499ad7f137b3b8edc6b16d280b2de0d8
- root 5739bc69a632acf0d9a4a377040ef3716ae5cb063fd14220c89e300df86178c1