OpenTechnical

OT-2026-000088187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088187) never changes.

Identity and time

Publication numberOT-2026-000088187 · never reused
Internal UUID01a0ae9b-1aa8-7919-bb41-62283efc4374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088187
StatusPUBLIC

Content hashes

Canonical text9872c83468c34fd0f2eb42816723a9b2daa9914c0dd3d2724ff677fac9405089
Markdown34a3cbe0d435174657b956681f7350bd0c2ed146a5840092b214eb2f1092886c
PDF
Publication pagef4c39e984618fc03e630c6d9d9bb83ef8240f1153ca02517d6462fb9e8f4e9d2
Manifestbc9875bb9d49f25f5dc1cf3aad6c8a1884e03c7bf404f0b612d657ac4082f294

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
SignatureNxP6iEPfb6hvlWaqsBeA97tbQKy1LX3KCX2P4ohFSBhIdx9YUUTiVK9fR27pOyXeTF3fuzh7J2fAZF2yjPMUCA==
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

2026-09-17T09:50:15.392261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187
observed f4c39e984618fc03e630c6d9d9bb83ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.374513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187/manifest.json
observed bc9875bb9d49f25f5dc1cf3aad6c8a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.357381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187/publication.md
observed 34a3cbe0d435174657b956681f7350bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.340753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187/publication.txt
observed 9872c83468c34fd0f2eb42816723a9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.812949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187
observed f4c39e984618fc03e630c6d9d9bb83ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.794645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187/manifest.json
observed bc9875bb9d49f25f5dc1cf3aad6c8a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.774643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187/publication.md
observed 34a3cbe0d435174657b956681f7350bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.754830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088187/publication.txt
observed 9872c83468c34fd0f2eb42816723a9b2...
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.