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
PROVINCE OF AURORA Award a ₱2.4M contract to PRECIOUS GOLD BUILDERSProvinces
Transaction hash:
a7cd688a4b7d9d5819bf2d50a625ce0a7107016c373c3984022132150b73f242
Status:
Included and unchanged
Block:
#3,640 2,373 blocks after it
Position in block:
Transaction 146 of 254
Award day:
Jan 3, 2019 (7 yrs 10 mo ago)
From:
Value:
₱2,394,958.84
Project:
Construction of 2CL, Dimaseset NHS
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 #3,640 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)PROVINCE OF AURORA awarded it to PRECIOUS GOLD BUILDERS on 2019-01-03.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 Aurora 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 a7cd688a4b…73f242now …
- 2. Block Merkle root changedstored 66067fa3bc…96ed63now …
- 3. Block #3640 hash changedstored 4913168f1f…d15b3dnow …
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 253 records. Each step hashes the current value together with the sibling shown.
- leaf a7cd688a4b7d9d5819bf2d50a625ce0a7107016c373c3984022132150b73f242
- 01 R a7d3f11040003988a5f5c53c53636312b4fd98e15678d692d883b2ce6c70bb4d
- 02 L 96e7af3a6fd9c3dd6efbb7330921f031528cea30362538a3e0e34b0d51035f6c
- 03 R 8b1948566de0b5ff42baa7e7523dda6a5505c92172c7afa5d4e984aa6c70c13e
- 04 R d5cdf234db60d397fc0a27ffba67839eefd024f00d70b0c6fe09c5ec4ebb4247
- 05 L 0461b03918313bef77e04d1fa7272769d697a4942f04b7c22d8985421f756cdc
- 06 R 6d94c4e359afbdffc92e4f16055e0481ddc53665f6a0a913c47151594c6566eb
- 07 R 83c085cf7fa0c790733bcc149450fad38c5c3a667cc00d1d6d049df41a16386e
- 08 L 6e33f90e9335f80db3239882ac202a8f49cdd10599e554f57400fb14edf9a23f
- root 66067fa3bc426e3aaa16ef7b48a4ced5b628314b2d5e81b1323fb41ec996ed63