OpenTechnical

OT-2026-000078142

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000078142) never changes.

Identity and time

Publication numberOT-2026-000078142 · never reused
Internal UUID01a0ae95-6e8c-7a6c-b17f-8f3c4b47fc6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078142
StatusPUBLIC

Content hashes

Canonical text9a980f03c901d5165dd1f5d31290093192c6c924b8549e91678d7de8eebbedbd
Markdownd054ac33b52bf07d8877838ec4b2ae57bca82d2f43e2af78a862db44e31223b8
PDF
Publication page64131bbaa474f6bcb78ebf7f862769f9c26adc7bb6de928c57d653a4b72b4a84
Manifest7c9a63a44e9bee9c82e062c632dc716c995446336fea07782dc121e0ac0868c3

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
SignatureAmQdmcHq2OVLuwdZii5HMG64wdBmN06n0UxCQQ3Wyidmhm2j1ULwqzfXYWVVQ3VQUYT9peIYwIbIVKvM3Dm0BA==
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

2026-09-17T10:06:51.307259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078142
observed 64131bbaa474f6bcb78ebf7f862769f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.287537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078142/manifest.json
observed 7c9a63a44e9bee9c82e062c632dc716c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.268061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078142/publication.md
observed d054ac33b52bf07d8877838ec4b2ae57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.248619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078142/publication.txt
observed 9a980f03c901d5165dd1f5d312900931...
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.