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 TARLAC Award a ₱1.9M contract to JAM-C BUILDERSProvinces
Transaction hash:
bf4f7e59263cecf24c484d121f464517e55a804def78221785d88c06cc41e184
Status:
Included and unchanged
Block:
#4,493 1,520 blocks after it
Position in block:
Transaction 269 of 363
Award day:
Jun 28, 2021 (5 yrs 4 mo ago)
From:
Value:
₱1,858,118.68
Project:
Construction of Kusina ng Kalinga at Mayantoc Cent
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 #4,493 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 TARLAC awarded it to JAM-C BUILDERS on 2021-06-28.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 Tarlac 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 bf4f7e5926…41e184now …
- 2. Block Merkle root changedstored f9e67f2178…23f1b5now …
- 3. Block #4493 hash changedstored 8b9441ff68…a67b0fnow …
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 362 records. Each step hashes the current value together with the sibling shown.
- leaf bf4f7e59263cecf24c484d121f464517e55a804def78221785d88c06cc41e184
- 01 L be1e94a3df2e034ab350098a8fbd523402fbfe6d2811486b43ddf175c120148c
- 02 R eea1a54e345fd6c5249eb0d7fb40b1f4da5d4d663cc14fbb2e06c66d202ab4a2
- 03 L bc7bc85dd80017b697f490b33db8f19f501aa9dc48093a1a3667abdb876344ad
- 04 L 359d76f7d1a69828b8fdf6c9ab83aaa5eba6e60f656775110637b5766d8611b9
- 05 R 2a2ca76b4b8de3fedc2c177931f9f9bf1ef7e45b9dd8571b5b159b23f3603304
- 06 R 0efda6d4d688d5a878e4af2c40671f203bb996c976e3d6ad4dbfb4bddfdd248b
- 07 R b862c4008e5e0c117d152d7485eeeac83db7a237137a15029b299facbc2d6a0c
- 08 R 0b0d5105e2a66b2598e7148a4c0174dfafe06dde307f6588682a9c90abf67f88
- 09 L c9541c4cb2935135de9a588126a116439a5d39e2b8fddcd6840998442d9bd41a
- root f9e67f217868131eb3e3f5396163a1371637a3e3331973e365b7c0005423f1b5