OpenTechnical

OT-2026-000082431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000082431) never changes.

Identity and time

Publication numberOT-2026-000082431 · never reused
Internal UUID01a0ae97-4d96-7e65-9ccc-78551e52f771 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082431
StatusPUBLIC

Content hashes

Canonical text7f91c71a53a6337f7aa4c66da43ca3e8ca890affddd3ee4b7eb2b107918f251f
Markdownc735a900eb41ae6e900fcb125203d9907644a926251ed6828dc98228272952e7
PDF
Publication pageee849bbee1f19a516655ef346506d9f6ed3e449c0af3963d0312690b645183b3
Manifest58cee8df419a867d2e74bd01e1d6d0cddfbf8f9fb8a04b16cc16088d858de9e2

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
Signature0WkBfckYiAyKig3G82o2sYVLmvxt+kZmQCChDrPrk0bAH6/EEf3r65o5jf/leT7GUjpOhwsnxJ8yJxEIbw2qDQ==
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

2026-09-17T09:59:25.490175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082431
observed ee849bbee1f19a516655ef346506d9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:25.471326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082431/manifest.json
observed 58cee8df419a867d2e74bd01e1d6d0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:25.452008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082431/publication.md
observed c735a900eb41ae6e900fcb125203d990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:25.428325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082431/publication.txt
observed 7f91c71a53a6337f7aa4c66da43ca3e8...
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.