OpenTechnical

OT-2026-000087079

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000087079) never changes.

Identity and time

Publication numberOT-2026-000087079 · never reused
Internal UUID01a0ae9a-9f2d-7efc-b873-078dfa3a3cf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087079
StatusPUBLIC

Content hashes

Canonical texta9583488fc27b0fc791ffac14ca1a1c1e6d440a8246d7c433a763114af028169
Markdown973bb94ae8b4c98e560f98390e65f902e037e7f8b03c32eaae7825769937ce41
PDF
Publication page92197bdc65b061711a01f63b4628f39ca07c828de9cf269398ff881d1e75731b
Manifest9f15dc0f30a69e3f2de00cf092b5dc8245b74cb20d57c0f9f2d2863a8018d7dc

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
SignatureFDZabNa2eewChZxAHMo06HKV1doXv/IE05WwePI7zKhsk7741P2rRR58L465mr26mgFCtzAo1KPC8bYZQKiTDg==
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

2026-09-17T09:51:20.298731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087079
observed 92197bdc65b061711a01f63b4628f39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.283403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087079/manifest.json
observed 9f15dc0f30a69e3f2de00cf092b5dc82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.266406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087079/publication.md
observed 973bb94ae8b4c98e560f98390e65f902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:20.248352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087079/publication.txt
observed a9583488fc27b0fc791ffac14ca1a1c1...
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.