OpenTechnical

OT-2026-000084215

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000084215) never changes.

Identity and time

Publication numberOT-2026-000084215 · never reused
Internal UUID01a0ae98-5b60-7197-b441-e82ba6907485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084215
StatusPUBLIC

Content hashes

Canonical textea7bbf3cba74554850747fb8cd1a19231ff8e6daf9077b7642a391909e59b107
Markdowncca3bf3f9c441910c1f1a09fe79b1b78235580dc684a25a9c7fdd4fed9121729
PDF
Publication page61203a78618435d181902e593a396445b38dec662eb8b8afd72b38f8f486ab6e
Manifestb395e161e17f3dec65c29480c126034c338cee8256a6fde287f367c98f36e0bc

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
Signatureobzk8kefacNbfjW/PlSe+ssumVpDar9f0OXEvnPZbfr7FZy6EV431U3TmCvacaeXhkHADm+hwBXRAPvtswxQDw==
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

2026-09-17T09:56:00.158522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084215
observed 61203a78618435d181902e593a396445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.140992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084215/manifest.json
observed b395e161e17f3dec65c29480c126034c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.122043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084215/publication.md
observed cca3bf3f9c441910c1f1a09fe79b1b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.102846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084215/publication.txt
observed ea7bbf3cba74554850747fb8cd1a1923...
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.