OpenTechnical

OT-2026-000043869

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000043869) never changes.

Identity and time

Publication numberOT-2026-000043869 · never reused
Internal UUID01a0ae7b-d677-74df-a868-9a7aaeb0aeb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043869
StatusPUBLIC

Content hashes

Canonical textca71f839b378c07d2d41a1f7c612284bafbb3142984a96d93e6ebc2c56462439
Markdown77a94131c1d741e0904cdd2ecf3e78c0ab10f88f09af14d6a8c6379740f866d0
PDF
Publication pagef70abd52e631139fe960770e67295c24434931658d1a481df56101ddf7e9e7fd
Manifest092bb466b8bd8d572b92b825eb345be60da5cbf403c87d46dc57d176105581e5

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
Signature9cgmay+5LTlOk9qsHwoaZyqOwLsAgKK8010RmQ/0nfJP7JFS2dA8k0l1de60miLRoDenLEDm1a28DIz6Sik5Cw==
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

2026-09-17T11:12:11.580014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043869
observed f70abd52e631139fe960770e67295c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.559033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043869/manifest.json
observed 092bb466b8bd8d572b92b825eb345be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.541314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043869/publication.md
observed 77a94131c1d741e0904cdd2ecf3e78c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.520408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043869/publication.txt
observed ca71f839b378c07d2d41a1f7c612284b...
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.