OpenTechnical

OT-2026-000099694

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099694) never changes.

Identity and time

Publication numberOT-2026-000099694 · never reused
Internal UUID01a0aea2-c976-7ae5-845a-cf43c5bae05b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099694
StatusPUBLIC

Content hashes

Canonical text83e7fe89ec2963d534deedeb98baf62d9431aae294c58712b751fdf928b76372
Markdowna4429ffa1bd1c7c17a72e9b9fae2007407d09928e11bdc23794ccb87ceccea92
PDF
Publication page6992976cd93ecb8beb024876fcffdd9cb1e730469287b1859a91db0a97768bb4
Manifest5e7b955a41cb486c7c66d2fd4b77ab217f735b094c82967110a0fd9f85e2b018

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
SignaturelxQda8XwDa72iAHPgjZXU3oAlhTRlfHIBlKERoQjDzYjZIq4Tnsnr1WtCUImnIRyw5ANKIhUcWx05l5DxFV5CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:42.335896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099694
observed 6992976cd93ecb8beb024876fcffdd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.316984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099694/manifest.json
observed 5e7b955a41cb486c7c66d2fd4b77ab21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.298350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099694/publication.md
observed a4429ffa1bd1c7c17a72e9b9fae20074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.279602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099694/publication.txt
observed 83e7fe89ec2963d534deedeb98baf62d...
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.