OpenTechnical

OT-2026-000033682

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000033682) never changes.

Identity and time

Publication numberOT-2026-000033682 · never reused
Internal UUID01a0ae75-a390-70a7-b275-282d9468b3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033682
StatusPUBLIC

Content hashes

Canonical textdf34767adf66bdb1c5e271c803638b39ddf3379589c909ade14057e837f3df06
Markdown71c8db643d086fb52cf5a0de6ab102fa3a62a3a4632bb9437073dfce418d52e3
PDF
Publication paged498cb5b96a60d53156e977f991730f8fe459af00c16c9913d02c0902b15c470
Manifest6ecd20fe94a96cb7148deb8ffcbd964aa9015d09fc6d91d6e085628b16308f35

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
SignatureIgeE6Vy0qQsmfP28ILMOM5D1XrdvpNhQZAFqLzC/2g7kttirbOivzbuUezFwLukVgkFMiqMtw/xsbmBklVWUDw==
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

2026-09-17T11:31:40.450752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033682
observed d498cb5b96a60d53156e977f991730f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.433612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033682/manifest.json
observed 6ecd20fe94a96cb7148deb8ffcbd964a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.416442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033682/publication.md
observed 71c8db643d086fb52cf5a0de6ab102fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.398669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033682/publication.txt
observed df34767adf66bdb1c5e271c803638b39...
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.