OpenTechnical

OT-2026-000086729

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000086729) never changes.

Identity and time

Publication numberOT-2026-000086729 · never reused
Internal UUID01a0ae9a-2c99-7aa7-9bfa-d4eaddf54f23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086729
StatusPUBLIC

Content hashes

Canonical textc533e306d8d8fd3ab31c87faf881dd1c00fba91db8ef87f8c1a3b17ff4498d2e
Markdowna096e93a3867654568d4ee45b0dd3ebeefa273a8655080a97da1aaf0f8e3397c
PDF
Publication pagefa0d38102c3116c6bcd258c8cb143a0d7588841534302a957510eca6069cb221
Manifest3a3116568ca90f136cbb474431d8062d237e56c48a2c614e738f7d8594ac4890

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
Signatures/+3C/WsDnvRg1i9+ukADl+YkMe345nzxSbogojeF/rdT0SHBL91BgMWfCYx/SKLrXBiI2bMfTEGUZBt+xsrBA==
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

2026-09-17T09:52:36.462443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086729
observed fa0d38102c3116c6bcd258c8cb143a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.445254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086729/manifest.json
observed 3a3116568ca90f136cbb474431d8062d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.428763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086729/publication.md
observed a096e93a3867654568d4ee45b0dd3ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.411727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086729/publication.txt
observed c533e306d8d8fd3ab31c87faf881dd1c...
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.