OpenTechnical

OT-2026-000005980

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, ejector fed, contact triggered

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-2026-000005980) never changes.

Identity and time

Publication numberOT-2026-000005980 · never reused
Internal UUID01a0a94b-3048-7f81-92a8-a14aad616641 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:52.203396Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005980
StatusPUBLIC

Content hashes

Canonical text746ad263f3773c731a84d37fbf0d3313bbbb8a69f315e36258e8e5db5ab5866d
Markdown920dd89053f3f988130a543da7bfb8e8045860bc03ce4606f439c05aaefc6e75
PDF
Publication pagee39b9994f44475eaa1088e6f7c5ea2c29883b71a6cccecb73c5ac016f19359eb
Manifest0526bd3a45489ed20f18626951fc227b55fee4565148863ae6c2aac48c2b2fce

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
SignatureFErn+mfZQ9I4FqJKyTwimgbd8O1TPUWO+OkeBdR+FD1Z26+V7wbtJB7twXfNABMM3aNRsmPuX4iG1joPpGebCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:10.134338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005980
observed e39b9994f44475eaa1088e6f7c5ea2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.994991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005980/manifest.json
observed 0526bd3a45489ed20f18626951fc227b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.981118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005980/publication.md
observed 920dd89053f3f988130a543da7bfb8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.966357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005980/publication.txt
observed 746ad263f3773c731a84d37fbf0d3313...
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.