OpenTechnical

OT-2026-000028329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000028329) never changes.

Identity and time

Publication numberOT-2026-000028329 · never reused
Internal UUID01a0ae72-e2f5-7d2c-a2a5-243b962036d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028329
StatusPUBLIC

Content hashes

Canonical text9deb1546aa4cd697187b50e97467924783a97a8581f8d68a612225c7018ff3d4
Markdown9073d214e6c9dab01fb8649cab096b3b16976fba93faeaee162fdf5d7286ca16
PDF
Publication page24a9d6d45e74eb69e0ea7e8fb97b4219bad6090f3d58071d1c869d372eff3a67
Manifeste2d572ab49319a2b23f055df420e88bf8b717ed92f9f7a959902749df866ad44

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
Signatureg/OEeyA79OF8TgCk/QrWL//LObl2+hogKUtEV+V+64sYxk3kjAQK+mqnSmbOFlUF0DZit0AEWW8LOWz1TXI8Dw==
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

2026-09-17T11:40:19.893787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028329
observed 24a9d6d45e74eb69e0ea7e8fb97b4219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.874923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028329/manifest.json
observed e2d572ab49319a2b23f055df420e88bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.853790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028329/publication.md
observed 9073d214e6c9dab01fb8649cab096b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.834797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028329/publication.txt
observed 9deb1546aa4cd697187b50e974679247...
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.