OpenTechnical

OT-2026-000023520

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000023520) never changes.

Identity and time

Publication numberOT-2026-000023520 · never reused
Internal UUID01a0ae70-7269-7e39-9ffc-ec6573095f39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023520
StatusPUBLIC

Content hashes

Canonical textad54c504c723f17f0a6faa4943645f311627178a777aae01cd15b7f20d4ed811
Markdown075efd4a3d8a5a375ef904ae159fbf4363034940ec3831ad662d131f42ab13cb
PDF
Publication paged0329ce612d765d68b6865cc1033f02b63efe41cc6db94d6a7a321b17b6c418e
Manifestf9b6d91b93d2526a99a8a68ef04d44cc1532f2e35a845e0057bb064c491279ae

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
SignatureApLckSxUgRpsIDXzHJzcVrWm444dMr2uM1VwbWgxn6x8WcDrPixFTYxlC9pqVhpStoTE/W/pof+YS7CCXJ8kDQ==
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

2026-09-17T11:51:45.642563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023520
observed d0329ce612d765d68b6865cc1033f02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.625622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023520/manifest.json
observed f9b6d91b93d2526a99a8a68ef04d44cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.607350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023520/publication.md
observed 075efd4a3d8a5a375ef904ae159fbf43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.586398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023520/publication.txt
observed ad54c504c723f17f0a6faa4943645f31...
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.