OpenTechnical

OT-2026-000045774

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045774) never changes.

Identity and time

Publication numberOT-2026-000045774 · never reused
Internal UUID01a0ae7d-8f05-7441-96c5-9d68b6c701c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045774
StatusPUBLIC

Content hashes

Canonical text54aee039332b2f15ba5455189769b25e9f4b4066bfe1fe6bd7cf2ce0d0a8bedc
Markdown50203b604202d23db605051f026328e6e86aac5069362ee7b92a25b27a7e8637
PDF
Publication page19b096b644bb860329085c4f934ba1e5cbc635f05e0065bf5525040db78edf3c
Manifest28cbd0d03544cdb49c2d4ff40472e25ce67ce4cbd0043be206dced11f5ad1b8a

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
SignaturesW0CGwJp3wX5VCEc4omLk1IK+WPkGwTHswp20rSisn3XcNjgS3CRa2bgHBJLND7bzVa5ac0Hw0+xeNox+3aWCw==
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

2026-09-17T11:09:37.950606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045774
observed 19b096b644bb860329085c4f934ba1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.930620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045774/manifest.json
observed 28cbd0d03544cdb49c2d4ff40472e25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.911361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045774/publication.md
observed 50203b604202d23db605051f026328e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.892945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045774/publication.txt
observed 54aee039332b2f15ba5455189769b25e...
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.