OpenTechnical

OT-2026-000042393

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000042393) never changes.

Identity and time

Publication numberOT-2026-000042393 · never reused
Internal UUID01a0ae7a-5d74-78d0-ac7e-0c1394d4a338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042393
StatusPUBLIC

Content hashes

Canonical text8127dcaf58f541c8644205dcc70632420ccc0603a27286b4730663ea01991a40
Markdown1dbef188de571d5ef6a1d9753020374ca508813fc159d92aea60e336d3ac44a2
PDF
Publication pageed8cd7b8d01cf6868147241656f6cd8d0d7b93c9a955817cf114d7d71ab00d9b
Manifest7f90a33c5bdef92b7c444002c2230468567d3cdf41855dee6d4d32c9fcb0da66

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
SignatureBv6lxuyswInw8Utzkcr0JWcxbsyqywtrtU2O4D8QoQrbscpfU7rUB9wd2dsvbxoiLRJmDS+pF17jkXJOK70IBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:16:11.221804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042393
observed ed8cd7b8d01cf6868147241656f6cd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.204578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042393/manifest.json
observed 7f90a33c5bdef92b7c444002c2230468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.186811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042393/publication.md
observed 1dbef188de571d5ef6a1d9753020374c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.169788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042393/publication.txt
observed 8127dcaf58f541c8644205dcc7063242...
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.