OpenTechnical

OT-2026-000067078

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000067078) never changes.

Identity and time

Publication numberOT-2026-000067078 · never reused
Internal UUID01a0ae8f-14fe-7a91-b353-23f1e5d9a134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067078
StatusPUBLIC

Content hashes

Canonical text65f60cfb937836bf356e73785a1afe0e77d671813031be25a926be0559d4e925
Markdown9a1211f9ea94caa2cb3bd6ffa7913af90cf10c2b5e1def63b17c4e93bb441554
PDF
Publication page63d567aed16c35a246f6d74ad5202193d71fd4478edaa9fbc956a3a6de4a2d4e
Manifest8fdd5d145fd54eb0ff2ee6ab5b57f0a47e4028f92d2192b0958ab7d9cdb4cd09

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
SignatureZEho2zA+v+7FgiDq3P+FixhCfArbXz27CIwP8l9+UqgumjnX16mqV4WqJa1wTkLu+HjUmwXnTOAL25UAeutUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:20.419884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067078
observed 63d567aed16c35a246f6d74ad5202193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.402844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067078/manifest.json
observed 8fdd5d145fd54eb0ff2ee6ab5b57f0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.384990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067078/publication.md
observed 9a1211f9ea94caa2cb3bd6ffa7913af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.366935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067078/publication.txt
observed 65f60cfb937836bf356e73785a1afe0e...
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.