OpenTechnical

OT-2026-000085707

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000085707) never changes.

Identity and time

Publication numberOT-2026-000085707 · never reused
Internal UUID01a0ae99-aaae-7168-ba4e-f39089fe769c · 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-2026-000085707
StatusPUBLIC

Content hashes

Canonical text0caf200b7e88b8748b86b3936a773d93d6e859acae3519698ecb4634ad22c08a
Markdown6f4ba58b201079c0069f8d20adf110aad30b5ca3e4973c068209ef82b7053a48
PDF
Publication page33db47255a65f8513461ae3fc31b5a751385f6e4070c188a5f36da7022e5a123
Manifest2bf27f0a9b51da1d012827f70d3721c1207e683abc6c982cde0c2201aff814e8

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
SignatureodnC1KON76r4FgfA41Bw1fzWqrN6toYOVJl/O5vL3i54Jame/hZHNYl3eR+VJ7khLqrBI/2yqCiYb6pt+VIEDw==
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

2026-09-17T09:54:36.776179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085707
observed 33db47255a65f8513461ae3fc31b5a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.755122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085707/manifest.json
observed 2bf27f0a9b51da1d012827f70d3721c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.735256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085707/publication.md
observed 6f4ba58b201079c0069f8d20adf110aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.717473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085707/publication.txt
observed 0caf200b7e88b8748b86b3936a773d93...
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.