OpenTechnical

OT-2026-000008935

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, vented after 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-2026-000008935) never changes.

Identity and time

Publication numberOT-2026-000008935 · never reused
Internal UUID01a0ae6b-31b7-7f1d-9150-4d82a3881d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008935
StatusPUBLIC

Content hashes

Canonical text778f3eb418fd988d6992db9fa01ce5e628e2d10afb49b624f8dd4aadd83e2471
Markdown914ab3a616c19c8297bb69763e6f51d58a6e969691628d64de554c7af49c1b33
PDF
Publication page79158aef421f6bff41d106088192f199190fac0ddaa54ebd4d635e5f143279e2
Manifest754c2c282d6542a98ede6d97171c22d839719970650fd5c4df2513d4e130c5e5

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
Signaturelbui93F/e6ja0vLFZZNripnmIuQ5hYHbWsHjbXeqA4rt0kJovHP5/DkbxSP28HSL2TBs2bp9UKrgsT4QDn9QDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:32.857483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008935
observed 79158aef421f6bff41d106088192f199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:32.840487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008935/manifest.json
observed 754c2c282d6542a98ede6d97171c22d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:32.818465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008935/publication.md
observed 914ab3a616c19c8297bb69763e6f51d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:32.797439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008935/publication.txt
observed 778f3eb418fd988d6992db9fa01ce5e6...
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.