OpenTechnical

OT-2026-000085305

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000085305) never changes.

Identity and time

Publication numberOT-2026-000085305 · never reused
Internal UUID01a0ae99-aaaa-77ed-8571-919b022f4860 · 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-2026-000085305
StatusPUBLIC

Content hashes

Canonical textab87f9dee519fdc448d9bceed16f91f41277be042092a4ff1c8eade2ad3c215a
Markdownb7da315bdad8af4f6ccce5f19b7a6d801018aa2c1d8359f02dabbbf329f70ef6
PDF
Publication page52d27a02c5cefdc9d3938c61593475505cc0afa2fc6f6d36cbf01a52aa595daa
Manifest8200b8bf40e43e17152a628d86a05a715a1b8da548adaf13b6efe198052267b9

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
SignatureNTFiTFPPDg/DqNOv1kqTtNrdo0xmzEOAsgW9Zs+CSjWnf3wiDQjjrbOdUHN8pts7zbFkl2zdd4VjW1l86yikAQ==
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

2026-09-17T09:54:01.415151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085305
observed 52d27a02c5cefdc9d3938c6159347550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.396991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085305/manifest.json
observed 8200b8bf40e43e17152a628d86a05a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.378511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085305/publication.md
observed b7da315bdad8af4f6ccce5f19b7a6d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.359784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085305/publication.txt
observed ab87f9dee519fdc448d9bceed16f91f4...
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.