OpenTechnical

OT-2026-000033381

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000033381) never changes.

Identity and time

Publication numberOT-2026-000033381 · never reused
Internal UUID01a0ae75-8980-7612-9de3-5a9edba3fdbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033381
StatusPUBLIC

Content hashes

Canonical textd388c57e6dc1ddbc3b5db1b29541c74bd6e9451e29f3588b11a1fcd226d61578
Markdown6e1af74cee64d1ec59475264a5d6ac23772e05c3cf6db0b9ab6cb2d1af70366e
PDF
Publication pageb7108f9d36d832e4e971093da2832fc583ea24953516d975b3afbc2d396cf4d3
Manifestfd91231e9b7414adcea3be6a58b5b0510b6cf9794a15d032075cf60c9a4fa689

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
Signaturehay+RCTzVXPlBpQW0JA9FCZTK725wX6cWQFC/QA2I8WaQKSysS0QtRTf3AkSWPwXyjz4hsx5oiHJYnDhYkVEBA==
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

2026-09-17T11:32:09.287572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033381
observed b7108f9d36d832e4e971093da2832fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.269192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033381/manifest.json
observed fd91231e9b7414adcea3be6a58b5b051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.251311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033381/publication.md
observed 6e1af74cee64d1ec59475264a5d6ac23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.234340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033381/publication.txt
observed d388c57e6dc1ddbc3b5db1b29541c74b...
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.