OpenTechnical

OT-2026-000052654

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052654) never changes.

Identity and time

Publication numberOT-2026-000052654 · never reused
Internal UUID01a0ae84-573c-7afa-b330-e712739c114d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052654
StatusPUBLIC

Content hashes

Canonical text767af90af676bd7992c067dbbcf73b28cca74e5459faf0d9ff443e9f4d4896ed
Markdown965b0dbbe6d526356224cea3f480db30b2a32e9fd2b5fbe4cf8cf9bd3fd86d93
PDF
Publication page8a19f2d7f7120984be8eb783743e59a739d4011d6f416b3fa68770865b04575b
Manifestcb9b93f1d8f87ed5707a5cb2cf78f4fac3d4a9e4a176a92154f0df45f7656e2b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8DIe2+gcEgIHrEU8Qo3AqZW4Qt3uhxxIeeu/IDw5C4BUxlAsxOz7tojD79S8PbeyV1vIx+Txvn3+ESsdgb47BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:20.175415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052654
observed 8a19f2d7f7120984be8eb783743e59a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:20.158339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052654/manifest.json
observed cb9b93f1d8f87ed5707a5cb2cf78f4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:20.139763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052654/publication.md
observed 965b0dbbe6d526356224cea3f480db30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:20.119111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052654/publication.txt
observed 767af90af676bd7992c067dbbcf73b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.