OpenTechnical

OT-2026-000089098

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000089098) never changes.

Identity and time

Publication numberOT-2026-000089098 · never reused
Internal UUID01a0ae9b-daff-76ed-91eb-fb1faf2f6357 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089098
StatusPUBLIC

Content hashes

Canonical text3949952963938e90f360a295e91b8c30976bb451e037ab0ff617aa97878ca34d
Markdowna3a743a6fb1596400781f007c641f4251216746cfed2dd246a29d590619a2a87
PDF
Publication page023036d66d5b35d9634e272e83797efb954449cee60ba3c196d1193775b40855
Manifest1048494a958d5e7078033274b5376111083ffd8a00a5c03b3c60f833fa22b97c

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
Signature0EeASH2oLDT0xcNvjNDXFswdR+SzC9/N07pbf/JHUn0mpJgJywadU/3yirZ7SXAZHtKfmOiHM/7UVHv2DteIDQ==
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

2026-09-17T09:47:00.374790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089098
observed 023036d66d5b35d9634e272e83797efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.358019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089098/manifest.json
observed 1048494a958d5e7078033274b5376111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.339273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089098/publication.md
observed a3a743a6fb1596400781f007c641f425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.321653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089098/publication.txt
observed 3949952963938e90f360a295e91b8c30...
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.