OpenTechnical

OT-2026-000057738

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000057738) never changes.

Identity and time

Publication numberOT-2026-000057738 · never reused
Internal UUID01a0ae88-2695-78fa-8e73-16590092c53c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057738
StatusPUBLIC

Content hashes

Canonical text231b4f31d62318bd5f03783a0f61e02a8d9d1c7dd2b186f60b3f9563d1e2142c
Markdownbe1f67add3643f154c4c6ae312634ac210b46f67bf35695b5b68f3ba5faf0869
PDF
Publication page2e173fc6c6784788d93332c34de3a824734998dce64901c7c2851fd4f3c40583
Manifest05c72c5fe89ea0741fe5db7c433ade1757deb08a6ad695fe3ea339ae2e7ef82a

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
SignaturevOZ+PV4gG9/1U4hxNVMBGGOfN2Xv8lDDTrLYuLULc4wPkEo3ZtjW5m0Vxr+sxfhTQCXTQJ9RXIpLEQ1KIAhCCg==
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

2026-09-17T10:48:24.819497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057738
observed 2e173fc6c6784788d93332c34de3a824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.800178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057738/manifest.json
observed 05c72c5fe89ea0741fe5db7c433ade17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.781781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057738/publication.md
observed be1f67add3643f154c4c6ae312634ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.762484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057738/publication.txt
observed 231b4f31d62318bd5f03783a0f61e02a...
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.