OpenTechnical

OT-2026-000088179

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000088179) never changes.

Identity and time

Publication numberOT-2026-000088179 · never reused
Internal UUID01a0ae9b-1aa8-75f7-94d5-9f0680042a6b · 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-2026-000088179
StatusPUBLIC

Content hashes

Canonical text8c9e958a76cc774dedf0492c57138c69666416d19974bc31505d3f0d4ce882fe
Markdownd090a868f6a89336663f24c83cff80f13afea1e15eb7606f53a4f87a737c08a0
PDF
Publication page555651c6e171f8bb7d52ca744d58ccce2196d56ecc7c81ecbba45b3e81434787
Manifeste04bdcbd5e6e518ae60236613896267af8f2a8f51ea064a48037231ea30b47c1

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
SignaturepfiGiQwVk2VjOgGBICvt4/iQmkj+MQheAMSO9K0X0bXlxXKWwPiuj/rBIyHC2uhVj8BVTkd0AqwssGaiRL0xCA==
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

2026-09-17T09:50:14.614302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179
observed 555651c6e171f8bb7d52ca744d58ccce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.593699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179/manifest.json
observed e04bdcbd5e6e518ae60236613896267a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.575973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179/publication.md
observed d090a868f6a89336663f24c83cff80f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.559900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179/publication.txt
observed 8c9e958a76cc774dedf0492c57138c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.943271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179
observed 555651c6e171f8bb7d52ca744d58ccce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.924746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179/manifest.json
observed e04bdcbd5e6e518ae60236613896267a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.903130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179/publication.md
observed d090a868f6a89336663f24c83cff80f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.882640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088179/publication.txt
observed 8c9e958a76cc774dedf0492c57138c69...
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.