OpenTechnical

OT-2026-000017700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000017700) never changes.

Identity and time

Publication numberOT-2026-000017700 · never reused
Internal UUID01a0ae6e-96fa-7775-8d17-19aecb8b83d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017700
StatusPUBLIC

Content hashes

Canonical textd4b8b8918e1d865d81d22c582ff842814ad32a8edeb18bad5b784c999ab21e39
Markdownb19a8642d5badc120b196337c224f51bf81046c768ef11ca622b7c87b4a773e1
PDF
Publication page9c556c1ad30babe6bb640b6f5a71a314072048c1ea38e6bc8106fcd0684e4835
Manifestb9196819b8171dad21cdfd80c80c69858bdb7f0709bef6d2414cddb76011f746

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
SignatureQo2mmNWPnPKvk2tU/Dgpc0uzEzifky59iFkLwMIJ0W6UBX30eNdgvlzkyIwvxAzWjbBaJmI5MIJ4QCdhS2hFAg==
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

2026-09-17T12:01:39.027900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017700
observed 9c556c1ad30babe6bb640b6f5a71a314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.011059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017700/manifest.json
observed b9196819b8171dad21cdfd80c80c6985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.993898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017700/publication.md
observed b19a8642d5badc120b196337c224f51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.976543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017700/publication.txt
observed d4b8b8918e1d865d81d22c582ff84281...
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.