OpenTechnical

OT-2026-000058348

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000058348) never changes.

Identity and time

Publication numberOT-2026-000058348 · never reused
Internal UUID01a0ae88-f399-74bc-9a0c-703b46c0d288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058348
StatusPUBLIC

Content hashes

Canonical text980a2902e1ef54e6e2891f4a4fffe5f6900ae9e5f9bd56c033fbc11500a33046
Markdowne7be1c94b46cec329d335bf377d324108e58ac625f9af65c4026b05c7288e835
PDF
Publication page7c47ff647d71eae99500a3ae55074dcf5861c5f9331d0b1db48ad6e6a882bdca
Manifestcb373897f53edab1c688ff33530ed05da311b3795390203cc7f88a2e1876393a

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
SignaturevUg5oHiXeM5f3MQMAiENbVgnz+Tul1BUQPz9GxrK68lUAn8nII83314zyPYvBAoWqDzEFUpmlo77Wzvb+FJkDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:45.671225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058348
observed 7c47ff647d71eae99500a3ae55074dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.654511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058348/manifest.json
observed cb373897f53edab1c688ff33530ed05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.637878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058348/publication.md
observed e7be1c94b46cec329d335bf377d32410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.621468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058348/publication.txt
observed 980a2902e1ef54e6e2891f4a4fffe5f6...
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.