OpenTechnical

OT-2026-000081679

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000081679) never changes.

Identity and time

Publication numberOT-2026-000081679 · never reused
Internal UUID01a0ae97-0f73-7da5-ad77-99329d829f08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081679
StatusPUBLIC

Content hashes

Canonical text6dafdf841ec7aa9572225e01d257e0826e0126e8b7fc61bab7dd0622793d36db
Markdownec1e1d2ea9a5de0ae4ded1fab6216c4b36fd239c5d15aa375edb06075def1f7c
PDF
Publication page36d267882ee395aa6c84e7e2f3f6a968dcc98898de7d0ed402d9f82618aacdc2
Manifest6a111a7c3b1adbe5f9bd462e102d021507b458583f7169d2444a5eff5cae8821

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
SignaturedAC0JXthbFYsLV3POr3mZgFMrqI56Z4MJ+RS4D7Jol3XL+tyHZgHrcKFz9NJ7BbPDKfb90bHqhrlW8RNLdVZCw==
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

2026-09-17T09:59:44.497131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081679
observed 36d267882ee395aa6c84e7e2f3f6a968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.477363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081679/manifest.json
observed 6a111a7c3b1adbe5f9bd462e102d0215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.459267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081679/publication.md
observed ec1e1d2ea9a5de0ae4ded1fab6216c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.441549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081679/publication.txt
observed 6dafdf841ec7aa9572225e01d257e082...
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.