OpenTechnical

OT-2026-000101681

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pulsed blow-off 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-2026-000101681) never changes.

Identity and time

Publication numberOT-2026-000101681 · never reused
Internal UUID01a0aea4-0e16-7a4d-8556-8526b651dacd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101681
StatusPUBLIC

Content hashes

Canonical text16fd02fc579d3069f31bc36bbafd0905776f16105d8cd7080095e5d68aa91c1c
Markdownf98090c4ba79f1f7b066201a4dda522173745cddffda8c70e8deb2ea2269399b
PDF
Publication page03460832be95423a73a1333f9236d50e730fa947110e12ee0bd518d831ede9a5
Manifest4cf8b2899312b1ed78d8ea68057ce7c950622b25ded723ba6d08fbecc2840cfd

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
SignatureK1KT8P4LGqmJMItsGJI+LpiMtzGBO72UmuPLJfnRUVVwoBMRa9LTx3V/tUDmDMA0yn7gUEBRTi66hW3DR3asBQ==
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

2026-09-17T09:26:07.225555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101681
observed 03460832be95423a73a1333f9236d50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:07.206994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101681/manifest.json
observed 4cf8b2899312b1ed78d8ea68057ce7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:07.185897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101681/publication.md
observed f98090c4ba79f1f7b066201a4dda5221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:07.167723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101681/publication.txt
observed 16fd02fc579d3069f31bc36bbafd0905...
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.