OpenTechnical

OT-2026-000092581

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000092581) never changes.

Identity and time

Publication numberOT-2026-000092581 · never reused
Internal UUID01a0ae9d-b5fe-70d0-8f71-65e2b903ebbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092581
StatusPUBLIC

Content hashes

Canonical text6fdcb87b5b742f97c7120d1489dd306e4055975efa3fe50c92d606d67f0e940e
Markdown5035b19f56d4f35e9e8f9f4446b56e65659b7e63dd09e8a551d7e184cae00e1c
PDF
Publication page1d0cbdb173ff2e76444e2ce96cd686e6458ae79b60181dcb13eb95592eab30a5
Manifest9e5d7c3f0d7374d00c0f37558256bfe126d117fc12b998b1b3e4f3cd83d1c479

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
Signature7ZSRsI/e3bo7YfVLZARfPlF705TcZSjbVbCxyA7OY1szKmzqT7KyETpUnZ8kG+zc5Ugp8NwLQ2iw4nKBoyiLBA==
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

2026-09-17T09:41:10.653134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092581
observed 1d0cbdb173ff2e76444e2ce96cd686e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.634989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092581/manifest.json
observed 9e5d7c3f0d7374d00c0f37558256bfe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.618139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092581/publication.md
observed 5035b19f56d4f35e9e8f9f4446b56e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.600325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092581/publication.txt
observed 6fdcb87b5b742f97c7120d1489dd306e...
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.