OpenTechnical

OT-2026-000050078

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000050078) never changes.

Identity and time

Publication numberOT-2026-000050078 · never reused
Internal UUID01a0ae81-fd79-71fe-9fdf-221cded7ea40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050078
StatusPUBLIC

Content hashes

Canonical text7e45864d6acbde8ed5b9a0fa8205bf1bb86164e54a87209157be091eeac9dbb2
Markdowne986f3c141d59d298b08d417aa1de1887b035f667d550320593baf6449b9f504
PDF
Publication pagec8b652558977b8395fb166ceaa0d9b8b93c097d28ff195bb8badd487dd5ec6e3
Manifest7ea65f5866b0b2947459667f9212c76ea0586e031f590064b357b2fb33284788

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
SignatureS9mY2GTfZoBbbyYBnFAOhEtYTvJHMrQyXDV3sz0ZTUI3jKraYlYEkS0rvktPFXBz7BmzelrRLI3OWTagzmuPBQ==
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

2026-09-17T11:02:04.332409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050078
observed c8b652558977b8395fb166ceaa0d9b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.314041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050078/manifest.json
observed 7ea65f5866b0b2947459667f9212c76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.143546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050078/publication.md
observed e986f3c141d59d298b08d417aa1de188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.044426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050078/publication.txt
observed 7e45864d6acbde8ed5b9a0fa8205bf1b...
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.