OpenTechnical

OT-2026-000082835

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000082835) never changes.

Identity and time

Publication numberOT-2026-000082835 · never reused
Internal UUID01a0ae97-8cc9-76ed-98cd-eb5046bd3112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082835
StatusPUBLIC

Content hashes

Canonical text84ae739786f8c3ce791494f963b849240b926ad261579b7a4d8358f875ba79db
Markdown260b492398157c616fcaaa0d779cd76409603aa7176dcece711e5f0c9f989e60
PDF
Publication page98d0b13c60be210540f9f51bfeba162f98fcab139d12697660582993eb50e42c
Manifestab71499ee9ad6415b738ec7a841a536d9236279838b711c1f2f0a710d3a8a328

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
Signature/hpvgJCSJfQaSas/N/XAKaqWbd217saescZ0NRs9LPzLpuPy0ZmICt44J4pReQxXqSCogqCdHmxyePP8NvSYCw==
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

2026-09-17T09:58:30.454450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082835
observed 98d0b13c60be210540f9f51bfeba162f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.435793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082835/manifest.json
observed ab71499ee9ad6415b738ec7a841a536d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.417639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082835/publication.md
observed 260b492398157c616fcaaa0d779cd764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.399584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082835/publication.txt
observed 84ae739786f8c3ce791494f963b84924...
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.