OpenTechnical

OT-2026-000079089

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000079089) never changes.

Identity and time

Publication numberOT-2026-000079089 · never reused
Internal UUID01a0ae95-ccbf-7df9-903b-77029f91f1d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079089
StatusPUBLIC

Content hashes

Canonical textc5e4bc6a813ccc2ec0b38eb77b92effaf106364779da268a9f2777def1566fc6
Markdown730166f683f63d9204fe530d4a3ddf123a08657fd1655de82dc085c78d03e4f2
PDF
Publication page9f7ad864313eec5f9d4e0fb3f25170f6d5b035285a7f8d483cdec6bfff6c9932
Manifest7b967c5abe650efafbb3fdbf6068d0c82aba3f1b9e9904e7c2221d95a1cfcb3a

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
SignatureGqwcAXXVRbVNS3vu8METsaRACuysu5Nhb0HNnp0xwsvovzyRPf9JYQOFeWVA+P3+8KvpGVMnKUpqssWAKHHlDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:55.932185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079089
observed 9f7ad864313eec5f9d4e0fb3f25170f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.913825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079089/manifest.json
observed 7b967c5abe650efafbb3fdbf6068d0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.895675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079089/publication.md
observed 730166f683f63d9204fe530d4a3ddf12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.875993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079089/publication.txt
observed c5e4bc6a813ccc2ec0b38eb77b92effa...
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.