OpenTechnical

OT-2026-000085729

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000085729) never changes.

Identity and time

Publication numberOT-2026-000085729 · never reused
Internal UUID01a0ae99-aaae-733f-bee3-1737011d7458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085729
StatusPUBLIC

Content hashes

Canonical text8416efd4310f85199bcbfe5a38236b12bc1e09ca6369e9b5a713ccde11319efe
Markdowned3e5bce2e353ef4660d02ad363a348508f92b673d12018223517691d67513c5
PDF
Publication pagedaa40b37e6e4693a3e6694e57b7645eac171734e92d736180f9d0f9e620fe985
Manifestedcb7326c7ed7426d3de62bde7be62cbc8e05ff45a02a0202d1b201591e44665

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
SignatureKn5tLtgTK3Hy4MWXqgi9SKna9TRWeQowrIsn/DxLxMoFTJti4vwznfbH/LreM2/3HvOeDrfhZJBY5zNcYWrACQ==
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

2026-09-17T09:54:38.470671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085729
observed daa40b37e6e4693a3e6694e57b7645ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.451039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085729/manifest.json
observed edcb7326c7ed7426d3de62bde7be62cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.431432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085729/publication.md
observed ed3e5bce2e353ef4660d02ad363a3485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.410687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085729/publication.txt
observed 8416efd4310f85199bcbfe5a38236b12...
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.