OpenTechnical

OT-2026-000034636

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000034636) never changes.

Identity and time

Publication numberOT-2026-000034636 · never reused
Internal UUID01a0ae76-1ed1-78e6-b894-3d9939486ea5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034636
StatusPUBLIC

Content hashes

Canonical textc5e503e73a5f119545e655eda7cce883532c0fa03df60d73bb9fe7c5ffee3b65
Markdownb67588fc984b6c3966cff63490c4f45e7aa68e0670a7fd7d8c487dc09f9ae495
PDF
Publication page855621fff41a1a4a5f1d17d0d3734d460d0693c1e81d1084497a5578ee1f1438
Manifesteb9bbc4e8a865d316dc6a31ff3c39fada02c365ffc380219fe4ebb3b00bae04f

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
SignatureEOjTQ9urYOeI722gAviOSm5H3iMFXH32pHdKp36s8iDwkRLUnUUvtshN+JH76ukvwR1cVT1n/zyoJuPXEgr+Ag==
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

2026-09-17T11:29:01.414420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034636
observed 855621fff41a1a4a5f1d17d0d3734d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.389543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034636/manifest.json
observed eb9bbc4e8a865d316dc6a31ff3c39fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.373582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034636/publication.md
observed b67588fc984b6c3966cff63490c4f45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.352239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034636/publication.txt
observed c5e503e73a5f119545e655eda7cce883...
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.