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 MANDAUE, CEBU Award a ₱923.2K contract to ALCEN BUILDERSCities
Transaction hash:
e557bc6cd0d6a79e073ee60ea4877c9fd85a23d0701ec1a8bb7817520fbb6b1d
Status:
Included and unchanged
Block:
#3,248 2,765 blocks after it
Position in block:
Transaction 260 of 286
Award day:
Nov 17, 2017 (8 yrs 11 mo ago)
Value:
₱923,246.15
Project:
Cluster 1 Re-roofing of Mandaue City Science High
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 #3,248 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 MANDAUE, CEBU awarded it to ALCEN BUILDERS on 2017-11-17.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 Mandaue gave a "qualified" 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 e557bc6cd0…bb6b1dnow …
- 2. Block Merkle root changedstored 10a9fbcd26…e71867now …
- 3. Block #3248 hash changedstored df97725c15…d865c4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 285 records. Each step hashes the current value together with the sibling shown.
- leaf e557bc6cd0d6a79e073ee60ea4877c9fd85a23d0701ec1a8bb7817520fbb6b1d
- 01 R e56f2db46cbb5d5b12ed6a8ba8ef77cd43600d13203104e5cf055b8cbcdf1a9c
- 02 R e2491bf70d7fdbc31018b13d4170b2fc09d86772b3cb016a00c0214ffc6d7e6d
- 03 L 5aea6e41f8831a75e720e89e2547ad0acd796d8d221339a2a354c193ead6b57e
- 04 R 4a0d3ec276a3cac3cfc715ffa46ae50a036a2086fd9bbb5602651487d3ceaef0
- 05 R a398fa08a6e3ee15bceeacea4d8490e801fe4b0944113718514f69d9034352ec
- 06 R d242f594ad63834ddc56494a84a9de45116574b7a2cc9b90b884de5df18ac59f
- 07 R e777b2985bd15f16aefd87120553088dff17f920dd414bcf54195a2312f84966
- 08 R e7f597fbdb4d23cd0799648845d8226980735bcb107d3ef92110e5323f378088
- 09 L 39a6db061ce48832344cfa2b1d89a560dda76944dc9cc0f8bdb2297bc6f1edf4
- root 10a9fbcd26cc7442f11cbbd8e3fb5786d1729ca96684b01435551238ebe71867