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 ₱4.7M contract to MECA BUILDERS & TRADERSCities
Transaction hash:
c4f8a9ea9d136feca08fd73dabaa5d1c1a2ee269c2fc35a7d320c6b453b473aa
Status:
Included and unchanged
Block:
#3,658 2,355 blocks after it
Position in block:
Transaction 93 of 118
Award day:
Jan 23, 2019 (7 yrs 9 mo ago)
From:
Value:
₱4,733,179.00
Project:
PROPOSED ROAD IMPROVEMENT OF TENGCO STREET, (C&D)
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 #3,658 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 MECA BUILDERS & TRADERS on 2019-01-23.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 c4f8a9ea9d…b473aanow …
- 2. Block Merkle root changedstored aca3a0018c…17d408now …
- 3. Block #3658 hash changedstored d5b7dc9d1e…acb92cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 117 records. Each step hashes the current value together with the sibling shown.
- leaf c4f8a9ea9d136feca08fd73dabaa5d1c1a2ee269c2fc35a7d320c6b453b473aa
- 01 L bd91fafa1bdbd5fdfe9d341fd0e3a198d12f95b45a913065ef8bb9e1075acd04
- 02 R c75fbce8713f866109f3b9e5ba5e8b505ee33924dca26515481b446b9a87d5ee
- 03 L 4cdda272fc34e14afb8930fc96c861981c1671263a585079f7948bcf2cfa8b56
- 04 L edd238c50c0f60b12364b42bc130d948a4f9f543cae4805b9e676a1b696cf637
- 05 L 0147617a45744e7c1ee86a050fc3b1d342902f593b77191cbf4bf997145c2cd9
- 06 R 3ae4f2e56c11e209669da42ff7be0ccd647fe698a748554b1d490254bfaad1a8
- 07 L 4bdc48cc1879d38547fa79f2625aa17934611461b5d7c198a6b90b56f5a7c191
- root aca3a0018c7615ef71b3087b518974968e8e137bd1284fd1dfa9fc0fe317d408