OpenTechnical

OT-2026-000016752

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000016752) never changes.

Identity and time

Publication numberOT-2026-000016752 · never reused
Internal UUID01a0ae6e-5919-7722-a646-10bc3df37480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016752
StatusPUBLIC

Content hashes

Canonical textafa7559bc716bc02d1f868943b30964ca76869fc7180219a8affb13316558084
Markdowncb88ddc9e64bdfab6564cbd251507bc5ebfc7d1caa19bd16da6f2eaccbb8a532
PDF
Publication page194c5a7e8623d85aeadc0c284b4f96166699975f739e746cdda00d1d994bc5a5
Manifestc89c481c3ba9dcb8b3b343add2ddfa6f16def7c4e11c6e84c69ea32fbe72fdf0

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
SignaturePiPU7bHKr901c0MJuHRWerVAiP6Lh7j9lYkfz3h6mRVqfWMZRa6YJyhSzVlGCU9mEMJbzsDtYLehT6fvadwwDQ==
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

2026-09-17T12:02:59.352556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016752
observed 194c5a7e8623d85aeadc0c284b4f9616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:59.334479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016752/manifest.json
observed c89c481c3ba9dcb8b3b343add2ddfa6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:59.316426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016752/publication.md
observed cb88ddc9e64bdfab6564cbd251507bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:59.298697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016752/publication.txt
observed afa7559bc716bc02d1f868943b30964c...
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.