OpenTechnical

OT-2026-000091325

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091325) never changes.

Identity and time

Publication numberOT-2026-000091325 · never reused
Internal UUID01a0ae9c-f16c-7b3e-a588-f3c6f1028ab4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091325
StatusPUBLIC

Content hashes

Canonical textad871a1a4f81b1d83cadbf5f899ed99b340c75f58efbf1073e90e6ce567272b6
Markdowndd98df7e463a9732cb1836dc5abba80bf6dbdcc72e9b5cc400a92a489e774a90
PDF
Publication page2d3ebfcec98c45a56c146d2f072653991af4d97b4495fa5f36687b33aa77d494
Manifestcc0ada4efb1256001d40a6836a2663a381c6aeb5a7aba85bec61095400c790dd

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
SignatureP+PDHsa53KiR2Bs5ZZgKWibBwr9eTgwTJvOBraM0qlMd7ku9vcdS96ZCWNDeKX3VzF/WjBTtRpCqnzaPlFwqCg==
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

2026-09-17T09:43:31.759218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091325
observed 2d3ebfcec98c45a56c146d2f07265399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.742295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091325/manifest.json
observed cc0ada4efb1256001d40a6836a2663a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.724568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091325/publication.md
observed dd98df7e463a9732cb1836dc5abba80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.706093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091325/publication.txt
observed ad871a1a4f81b1d83cadbf5f899ed99b...
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.