OpenTechnical

OT-2026-000029705

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029705) never changes.

Identity and time

Publication numberOT-2026-000029705 · never reused
Internal UUID01a0ae73-5e23-7a31-9e7f-fa55837dff0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029705
StatusPUBLIC

Content hashes

Canonical text5a96b5a6fac060f4af5cec0e14efa708280925c7f6c5c4176c52da138f2473bb
Markdowndcea3c4424b9a922eea625f50e6fea2ff5a7e5a535533b74115e7b36ca62aad4
PDF
Publication paged2de53512cb6b185b0086e3d5de692d8871578a1e516c625cdb387ec994ed838
Manifest152c57b1de74ba83ef7add02be6bdcd26d3a2ab3dbfc5ad90428d03b57e6a3c7

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
SignatureHdxbmdl+6QqLxsdGnBdNJy0VaRPsY2JiFZucFCreMxl8cRUCNWmNBsh+Cda72rHeOtfWepGJQlGG1VfmMPFdBw==
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

2026-09-17T11:39:26.065879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029705
observed d2de53512cb6b185b0086e3d5de692d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.049786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029705/manifest.json
observed 152c57b1de74ba83ef7add02be6bdcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.032661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029705/publication.md
observed dcea3c4424b9a922eea625f50e6fea2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.015890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029705/publication.txt
observed 5a96b5a6fac060f4af5cec0e14efa708...
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.