OpenTechnical

OT-2026-000033021

Publication integrity record

Single cup vacuum gripper, three stage ejector, pulsed 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-2026-000033021) never changes.

Identity and time

Publication numberOT-2026-000033021 · never reused
Internal UUID01a0ae75-4843-7577-a95c-8ab94430a388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033021
StatusPUBLIC

Content hashes

Canonical text46104abcf06038a91ee49e797541f2181e07c3011c6c79aa0adb1aa7eff38c8f
Markdown574fcdc9c8782475839a8f90e24b438aa7133c1a81580be3c03495b09a781c73
PDF
Publication pageea11f49e1cd55bbbc8f06fdeee680ff74bc0c673dd7fc0e712697a40a4978506
Manifest1fe2104f4c2d2b240f32df8ecfe673a9aabc9ffbfaaa6787e396c21c0b2e493d

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
SignatureWtH3mNxDoLAL7PMHJt97XH/x3anm4NRTniOrMt+wlAO2CifwszhBQ+IjotBNm3sk2/AXzjMVKyuddUzJMUk7DA==
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

2026-09-17T11:32:38.915482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033021
observed ea11f49e1cd55bbbc8f06fdeee680ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.886932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033021/manifest.json
observed 1fe2104f4c2d2b240f32df8ecfe673a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.867657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033021/publication.md
observed 574fcdc9c8782475839a8f90e24b438a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.847581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033021/publication.txt
observed 46104abcf06038a91ee49e797541f218...
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.