OpenTechnical

OT-2026-000081541

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000081541) never changes.

Identity and time

Publication numberOT-2026-000081541 · never reused
Internal UUID01a0ae97-0f71-7523-ad7b-c4d9ad4cdb90 · 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-2026-000081541
StatusPUBLIC

Content hashes

Canonical text9a579edd07f946e629adbef3cb48308fb34d8966fd4ec2227e3a2d4344733857
Markdowndd5306bae9eb5c6f9415aa0cfe9b19bc41531fc721baa4aadc11a6c0a77d7e3e
PDF
Publication page388b2e82dea94dea5e393016fb39bfb78bf80511ae5c4c7c348f6002b6bccc39
Manifest06e0ee80e8ae727a0b24adcaf7974c30004331a4c805a80e5d060201efc66ecc

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
SignaturegA/i62FHPs6feFX6act7YWQzUxpEnUVOQqWx8LwYvr6KLhrw6tSJuouL6MW6fQFb1NyttJ38JK3hk688t/Z9CA==
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

2026-09-17T09:59:33.849735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081541
observed 388b2e82dea94dea5e393016fb39bfb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.831663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081541/manifest.json
observed 06e0ee80e8ae727a0b24adcaf7974c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.814119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081541/publication.md
observed dd5306bae9eb5c6f9415aa0cfe9b19bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.794881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081541/publication.txt
observed 9a579edd07f946e629adbef3cb48308f...
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.