OpenTechnical

OT-2026-000067077

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000067077) never changes.

Identity and time

Publication numberOT-2026-000067077 · never reused
Internal UUID01a0ae8f-14fe-71ca-b15f-218b5d671bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067077
StatusPUBLIC

Content hashes

Canonical textdca3ba089ff4df28ff84a3461f19c4a83a82f426ac81d50aa4f91f64e1dd9a75
Markdown62ae3b3c677ca509a0fe15f4fe41289bded07c196d161d7f7c3cbdbc93149437
PDF
Publication page6eff039307a7cd51ee7e0df5daae9d72e34cc6dc0f599957982a6ef5d117f0f2
Manifestd23186c5c9f29dd599589d9c5309e4a0b66011632ae23d78d96433894564f84c

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
Signaturet2s2bF9fyZkFZQZMgq1debDgOxgQ88837yNHVv5EOXCsWEgwzxF2l2S52NWxLMxMhp9mCyEoAJYCmzS9/I6CDQ==
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

2026-09-17T10:32:20.347012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067077
observed 6eff039307a7cd51ee7e0df5daae9d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.329557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067077/manifest.json
observed d23186c5c9f29dd599589d9c5309e4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.311973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067077/publication.md
observed 62ae3b3c677ca509a0fe15f4fe41289b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.295136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067077/publication.txt
observed dca3ba089ff4df28ff84a3461f19c4a8...
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.