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
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱76.4M contract to ST. GERRARD CONSTRUCTION GEN. CONTRACTOR & DEVELOPMENT CORP.National agencies
Transaction hash:
727f9f91eb74d34bcb2fe0ee8ca19c350c74b2651f77f96b2bcdf9689b0ab075
Status:
Included and unchanged
Block:
#4,814 1,199 blocks after it
Position in block:
Transaction 87 of 183
Award day:
May 31, 2022 (4 yrs 5 mo ago)
Value:
₱76,375,481.61
Project:
Construction Projects
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 #4,814 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)METRO MANILA DEVELOPMENT AUTHORITY awarded it to ST. GERRARD CONSTRUCTION GEN. CONTRACTOR & DEVELOPMENT CORP. on 2022-05-31.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 727f9f91eb…0ab075now …
- 2. Block Merkle root changedstored 9309bcac70…0bbfc7now …
- 3. Block #4814 hash changedstored 0f589f3158…465ddfnow …
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 182 records. Each step hashes the current value together with the sibling shown.
- leaf 727f9f91eb74d34bcb2fe0ee8ca19c350c74b2651f77f96b2bcdf9689b0ab075
- 01 L 7000dc3c9e341a41ab876a7345d7a14e6af5e4907f8bb15204250b7ef13ec15e
- 02 L 28e6f9cb4cb032db5df9c0377b64eeb0defaae9d37fbddfc93910bf8b73f6fba
- 03 L 701dee28f56dc31851a1abc8e2d22202d0ec15d87a2f1337370ce52db47466de
- 04 R e13bc294c39a9a792502c85ad69ab780549556ccef7d57f39fea2a01421ee054
- 05 L 5a649cbecc77191196498ddaf703c54a84179450ef28cf6802919b54950e86f7
- 06 R 05bc6875ac3f7d707cf34ed18f848aafb1dfe821fa91d1a4020e24ab467d5edd
- 07 L b6d149e38f60d95ae2423cec15cc966724461c7a6c8e8a608a8d753adc3d1ae8
- 08 R 3d020d89d3529a7278c46300200545a30cebd34d229662393d3bd3e9abf5fd3b
- root 9309bcac704c3159f966bac518d82d18c6e90d2c6255a1186ff0a6da440bbfc7