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
DEPARTMENT OF EDUCATION - DIVISION OF LAGUNA Award a ₱4.9M contract to NT SOTELO CONSTRUCTION AND SUPPLY CORPORATIONNational agencies
Transaction hash:
fbbbf54a28a188a1f36dcbda09e7a00e99ce2328dfc0b069b8db4aae4952e9a0
Status:
Included and unchanged
Block:
#4,493 1,520 blocks after it
Position in block:
Transaction 356 of 363
Award day:
Jun 28, 2021 (5 yrs 4 mo ago)
Value:
₱4,923,826.19
Project:
CY 2021 BEFF Repair of Classroom I
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)DEPARTMENT OF EDUCATION - DIVISION OF LAGUNA awarded it to NT SOTELO CONSTRUCTION AND SUPPLY CORPORATION 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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 fbbbf54a28…52e9a0now …
- 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 fbbbf54a28a188a1f36dcbda09e7a00e99ce2328dfc0b069b8db4aae4952e9a0
- 01 R fd1d1c849248b6dacba89e93275fcbae366e5682ebf0b32432496a4bd0462d76
- 02 R d40384554b6a9b5b9d57d494fee1b36f2476bcda2feb42d3d9dfb64ff7277f1a
- 03 L 58424c306b465a56b29980b715d291e6a6cac1364469808d715db0bad7306dcc
- 04 R 19a1b3c9a25fa6c52cca7d22007a0d57edd26f299c3d09f80b472e5e7d25ef55
- 05 R d629b7be15a8c0880a5b1c976ff713364781642cc86b043b8fbdea4f790b305f
- 06 L 75c424bda5ce0f48122f51ea9fbf58fe2a47c993d7565586d3c19d666dfed6c2
- 07 L 17e59b672136a51ed75de4cd4a1a38b5282fe56fddfb6a28a25e24b8768359d7
- 08 R 0b0d5105e2a66b2598e7148a4c0174dfafe06dde307f6588682a9c90abf67f88
- 09 L c9541c4cb2935135de9a588126a116439a5d39e2b8fddcd6840998442d9bd41a
- root f9e67f217868131eb3e3f5396163a1371637a3e3331973e365b7c0005423f1b5