OpenTechnical

OT-2026-000068054

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000068054) never changes.

Identity and time

Publication numberOT-2026-000068054 · never reused
Internal UUID01a0ae8f-c4fe-7a46-b32e-bb8b99be13a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068054
StatusPUBLIC

Content hashes

Canonical textea32fed6f2f085bd860aa0311794c479a2eb0b922c1683126dfc068539e60dcc
Markdown00b33b40bafef777dfb771e0d52d57c65e36de4cc25def4bd86c31d977c2556f
PDF
Publication pageef464ba5e589ecdc64e8713c2448e951a1f7280da772e2d929d7008a7ca1ec2f
Manifest0936635a4ee0c77b9bd4a542a7b29d51f60b5ddf8082b5634715fc5cea76da49

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
SignatureOHTrQpY61TDhSH5gQFrEFgbdfiPYINqBTxIGhO/pwNYCF49PN/MDZ9dbn4ZhEzLyxVg0vdy3i9hw3uwCz/zhAA==
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

2026-09-17T10:30:37.388080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068054
observed ef464ba5e589ecdc64e8713c2448e951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.366657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068054/manifest.json
observed 0936635a4ee0c77b9bd4a542a7b29d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.346695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068054/publication.md
observed 00b33b40bafef777dfb771e0d52d57c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.327168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068054/publication.txt
observed ea32fed6f2f085bd860aa0311794c479...
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.