OpenTechnical

OT-2026-000092969

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000092969) never changes.

Identity and time

Publication numberOT-2026-000092969 · never reused
Internal UUID01a0ae9e-090f-7dc6-9f45-0070a1a627c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092969
StatusPUBLIC

Content hashes

Canonical text2ccf2f29016b1eca3a623f7d4c21fb90c605f8c8819bceb3d32632a9cf998e8e
Markdown4d7de61fedc4813514feed5ec8ac1aa8545eb9b63a8d725c596fb610bbf68437
PDF
Publication page0c89ae833f6121e759403ed6c2e3049be15cd463e822eb3e8c20cc861178e90c
Manifestcb84ce30b2e9828139724ec2020523d75c2331ab59086b22fc1770d24cedb933

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
Signaturek568yYkCAZjN0CipyOuxVqDFkKzL4pDKeuhq+hqxcycHmuozc6PNF7E2MAS7ZAtKX7uT9q45scvDDdhFqEUvDA==
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

2026-09-17T09:40:09.874041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092969
observed 0c89ae833f6121e759403ed6c2e3049b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:09.856563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092969/manifest.json
observed cb84ce30b2e9828139724ec2020523d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:09.836404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092969/publication.md
observed 4d7de61fedc4813514feed5ec8ac1aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:09.818145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092969/publication.txt
observed 2ccf2f29016b1eca3a623f7d4c21fb90...
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.