OpenTechnical

OT-2026-000089068

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000089068) never changes.

Identity and time

Publication numberOT-2026-000089068 · never reused
Internal UUID01a0ae9b-daff-73da-a241-2d56f3826946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089068
StatusPUBLIC

Content hashes

Canonical text8247e1ea8232d70a24f1ea37cfd83e2b115cb88c715b62af62f7612d80d1e80c
Markdown39fa386e2c72646204233b5854ab87706a916d2f5edac3903a99d6764faf96aa
PDF
Publication pagebec34abe683a8780dfd720ca13af91be9e26c31365b27e4dfda2165f04ecf80c
Manifest8b701b900848199dcd1119554ceb3a3469aacb4a7ea3adb6dec206f5280c58aa

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
SignatureNYTBTpLryapCpB93FPcIaxjPce9lc2OwMVn8z5E+O+n430XdDzGDOOAulYuIswxbpLSOL0aE14OSkqALaL0jBA==
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

2026-09-17T09:46:58.153551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089068
observed bec34abe683a8780dfd720ca13af91be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.137254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089068/manifest.json
observed 8b701b900848199dcd1119554ceb3a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.120785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089068/publication.md
observed 39fa386e2c72646204233b5854ab8770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.103970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089068/publication.txt
observed 8247e1ea8232d70a24f1ea37cfd83e2b...
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.