OpenTechnical

OT-2026-000101720

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000101720) never changes.

Identity and time

Publication numberOT-2026-000101720 · never reused
Internal UUID01a0aea4-0e17-7b68-8d81-c6596aa54ca4 · 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-2026-000101720
StatusPUBLIC

Content hashes

Canonical text333c1ef2e958cf52aac689139987a31d9f3da0e47ef68ea91458e8293e652a93
Markdown8497f0ad6c98f314d75633fecbed8ab258218fc9df1a1ef1afe987afb0dcca13
PDF
Publication page8fb2c109d0159834be737f1933efd63464523033fb741d3cb23b8599f51935ed
Manifeste9a13c9e9c0befbf40e161b30d0b9b905656f680403cbb7e6668b2cf30ea5e6c

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
SignatureTS6GL6ELapuywaVsQBAWyyKRRPVvk7meLhj7rZgqZ27iPe8EAiAG/7THf1HuaKkDv++ZBjwnw3bkxZirF4ueAw==
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

2026-09-17T09:26:08.850064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101720
observed 8fb2c109d0159834be737f1933efd634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.830588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101720/manifest.json
observed e9a13c9e9c0befbf40e161b30d0b9b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.813765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101720/publication.md
observed 8497f0ad6c98f314d75633fecbed8ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.796473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101720/publication.txt
observed 333c1ef2e958cf52aac689139987a31d...
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.