OpenTechnical

OT-2026-000057798

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000057798) never changes.

Identity and time

Publication numberOT-2026-000057798 · never reused
Internal UUID01a0ae88-6ed7-7dec-9d87-56f33f20a067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057798
StatusPUBLIC

Content hashes

Canonical text12d52b60f186cb7bbadabeb853458589c25265a5b1b18dc26383824bd9778cec
Markdowncf5108db919a69d2a0010a2bda1e8d1774637373cbede4f3388a61dbd9ca73f3
PDF
Publication pagebe95ce4e8661228bfba5d8cab38959650208d092782b45e6e8ad69e2da7cf1ef
Manifestbe43cb26c5998acdc680375540b3f6e9e8677ea7639c09aa518bff79da64f830

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
SignatureA37QjR02/t1BI+uvFgrOGyhhnUxUr4/l3W7JqfdGXloxPtp/V3Z/ED1FGtazW0eGdxkyzK37iP4ZiFYaT/nwDQ==
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...

Independent retrieval

2026-09-17T10:47:21.568964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057798
observed be95ce4e8661228bfba5d8cab3895965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.546583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057798/manifest.json
observed be43cb26c5998acdc680375540b3f6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.527029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057798/publication.md
observed cf5108db919a69d2a0010a2bda1e8d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.507828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057798/publication.txt
observed 12d52b60f186cb7bbadabeb853458589...
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.