OpenTechnical

OT-2026-000079367

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000079367) never changes.

Identity and time

Publication numberOT-2026-000079367 · never reused
Internal UUID01a0ae96-0b90-71b5-80ab-beb590b3bbf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079367
StatusPUBLIC

Content hashes

Canonical texta4cb88a9c7439bdd0f4fcd97cfc3d580865fff1b1a984eaea21c96a301eef069
Markdownfc2fc67822610cfeb30476f5d0014e1dccc8910a2f9ccc13ec41ffe6129058e0
PDF
Publication page221bef51bbaeac3f4515fb3b5097877ba2950a720fa878c591ce4656ba1be84b
Manifest9e1a78aae859f6bf914ee3180b75f518434d92244ddbc0176c1d191b7eaa2db7

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
Signature7yFNVJuAWcZUsWbDaRB8cm+uLbmtfL0ES2i8WyC6xzA6W0QddeMPezTyARx8KMzxKT5fhx5DIiA24lsVcUCVBQ==
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

2026-09-17T10:04:59.212982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079367
observed 221bef51bbaeac3f4515fb3b5097877b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.193755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079367/manifest.json
observed 9e1a78aae859f6bf914ee3180b75f518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.176038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079367/publication.md
observed fc2fc67822610cfeb30476f5d0014e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.157289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079367/publication.txt
observed a4cb88a9c7439bdd0f4fcd97cfc3d580...
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.