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 ZAMBALES Award a ₱3.0M contract to RYA CONSTRUCTION SERVICESProvinces
Transaction hash:
3d697c1e6c2a93289e46df2d1dc9ffac0bd304546cb32d46af60feb7e8a89ad8
Status:
Included and unchanged
Block:
#5,305 708 blocks after it
Position in block:
Transaction 82 of 297
Award day:
Oct 17, 2023 (3 yrs ago)
From:
Value:
₱2,974,885.00
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 #5,305 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 ZAMBALES awarded it to RYA CONSTRUCTION SERVICES on 2023-10-17.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 Zambales 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 3d697c1e6c…a89ad8now …
- 2. Block Merkle root changedstored 106bbff9e9…4487d5now …
- 3. Block #5305 hash changedstored 2d224d14ba…a65b14now …
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 296 records. Each step hashes the current value together with the sibling shown.
- leaf 3d697c1e6c2a93289e46df2d1dc9ffac0bd304546cb32d46af60feb7e8a89ad8
- 01 R 3d6ab389331191cc5217852a5b03842e2dba9a2bef7ffaf5b5b0beaebd9d58b7
- 02 L d3f00c6751dfe3a5ecb7355aef7a37a4508d4ec773c11b95f52ded21840184f9
- 03 R c7eee68903f9e031bedb871d37e11045ec1bae63865cb8795cab7f4b5524d3d1
- 04 R 72ed5bc469bddfd69db7638e1e44622d716007994d6b518e2d69683e661cf602
- 05 L 0c3b30609a78fcf81190923fb825f8fe8313b9685fd2d3f2dd8fb9177995d975
- 06 R 66b82cb25e42b56fadddd76568dcac690c400c72908518a88b0b1c527325b393
- 07 L 653502b3fae543c4b97eeafde68dbfc7668c76b302d047a7cfd2a886e26a9bf3
- 08 R d37718970cbccecb5b817f4ed4433d41c1bacccba4cec9a1fddc40755da20b33
- 09 R bbfedd9a834321d199c3c1580952d272190f730c5d580338bf1e4f1128dd342a
- root 106bbff9e926b9f3541e1586b2a609041656f87d750d545426309b3a7c4487d5