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 SAN CARLOS, PANGASINAN Award a ₱1.8M contract to AQUINO-DELA CRUZ ENGINEERING AND CONSTRUCTIONCities
Transaction hash:
bb2fd74e107bf9ef7b3a93c292d42092582da2ec358333b6ceacb84d5823ffd8
Status:
Included and unchanged
Block:
#4,371 1,642 blocks after it
Position in block:
Transaction 220 of 302
Award day:
Feb 23, 2021 (5 yrs 8 mo ago)
Value:
₱1,797,740.60
Project:
CONSTRUCTION OF ADDITIONAL 2 BARREL R.C. BOX CULVE
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 #4,371 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 SAN CARLOS, PANGASINAN awarded it to AQUINO-DELA CRUZ ENGINEERING AND CONSTRUCTION on 2021-02-23.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 San Carlos 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 bb2fd74e10…23ffd8now …
- 2. Block Merkle root changedstored 2a0e270b6d…9c5be1now …
- 3. Block #4371 hash changedstored 2dd1fdfd0f…c03fa4now …
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 301 records. Each step hashes the current value together with the sibling shown.
- leaf bb2fd74e107bf9ef7b3a93c292d42092582da2ec358333b6ceacb84d5823ffd8
- 01 R bb98aaa64690b422612303010dd0f4d85406535a0b1ab2032b818ab3c4889e0c
- 02 R cb523f11e40215986ea0a8aff88d50c733e4b4d8352b3c743b76f42224bd68cd
- 03 L 940f3fe9d34ca5f22b670861d13f2f6966384cfa59521e9bc832fcedc2b47be1
- 04 L dab81b1d378cb5216457f248bb57cb44f86fc3ab7f5cf35304c69d4c096497f9
- 05 L b0ecc579b9e89bb02e0d5fe81ef14b0fd6cf6c5c63d975e70adb5879bd906f61
- 06 R dc0686c431199d4d287e4ea2c20bca2096f1f06fb3fca78ad0e95ce9a2c917cc
- 07 L ab8fc265fc00c9ac011e0a00af86bc40179aeea2821b8831e6fcb90cf8477f24
- 08 L 9e4686a5628870508ce779ffccb9a2988c7c16bc7c7ba638f03eff63fed5cf99
- 09 R c6791f64ed65ac76781daffdc5253cbf659e041588c3a97b7c121f503bb5c9ac
- root 2a0e270b6dbdfd5f8e3d15092f7e012bb47b05fafd4a74fbb39041cca19c5be1