OpenTechnical

OT-2026-000060028

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off 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-2026-000060028) never changes.

Identity and time

Publication numberOT-2026-000060028 · never reused
Internal UUID01a0ae8a-5a70-7f3f-a1d8-f719758fd0b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060028
StatusPUBLIC

Content hashes

Canonical textb2af9e81c2e0c735568f562b66ee336c26de6f47fff4aca9f138d53a4d54858c
Markdownd44c33102cae263c2238ecccbd4ade909faa615138e26bc459c72e70783a3778
PDF
Publication page74f0de38f5028646da0bb45be0e1b293c2946310c74c885e7dbc9be76aa49676
Manifeste7da0928328844410eff473c3c1feda0110e09cf45c9328ef2eab60661643e6c

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
SignaturebLe4UVWqJcnBBn6zX+t1EZQEKkxDrHXCIxlwzEtq7hxYm4HzB5FPwr0Jmg8ZUg7BIc1HgmCRIOO80czoOgoHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:38.714740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060028
observed 74f0de38f5028646da0bb45be0e1b293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.695134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060028/manifest.json
observed e7da0928328844410eff473c3c1feda0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.651640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060028/publication.md
observed d44c33102cae263c2238ecccbd4ade90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.522281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060028/publication.txt
observed b2af9e81c2e0c735568f562b66ee336c...
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.