OpenTechnical

OT-2026-000074551

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000074551) never changes.

Identity and time

Publication numberOT-2026-000074551 · never reused
Internal UUID01a0ae93-717b-74c5-a250-272a00ce226e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074551
StatusPUBLIC

Content hashes

Canonical texta85e0aa00d96790e8aa1aecaabd834aeb8778b1182d98d2f8f03b34960d2f4a3
Markdown46cf134a4f68f32338fd52726bea3b656e21b106646eeb86b2383cff18d960fc
PDF
Publication page989612ee3f2668719bb46c0adcf7adcecaa43d3c4d41b20e94c0601e972db1b8
Manifest89df2ad8429ea54ed59b1557e46eb29c54cec547e4aa50dd74d32abb66539ac3

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
SignaturePYK3MPoleUH3hKfmbGiAXbznmTSMAB6N4FWWvWFKbL4Gp+aXMekL1EmXuEiFYO0nHvelAg8TtLMJP2DYWmsbCQ==
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

2026-09-17T10:19:33.649537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074551
observed 989612ee3f2668719bb46c0adcf7adce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.629330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074551/manifest.json
observed 89df2ad8429ea54ed59b1557e46eb29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.607601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074551/publication.md
observed 46cf134a4f68f32338fd52726bea3b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.587744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074551/publication.txt
observed a85e0aa00d96790e8aa1aecaabd834ae...
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.