OpenTechnical

OT-2026-000031626

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000031626) never changes.

Identity and time

Publication numberOT-2026-000031626 · never reused
Internal UUID01a0ae74-bacf-7727-9068-eb89b484d419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031626
StatusPUBLIC

Content hashes

Canonical text699615987ba74402d7942c5c0e8d917304281378e3e32b2cdb0d3ca31855653f
Markdown4bcfd3165e808ebcee2a9b95fefe749b5d44a3bc6c70af670a06170e866ead86
PDF
Publication paged64796bb7798e2fa599d092b7ec5e61ff6ce293f8d75a326a35b8ad6a0db0f22
Manifest79a4de51f5fdbfe88976cc42f88d3d431d9fe7e2e8f0e2deb8b3c25fe9926fc9

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
Signature66zLm/MXlZ9svM7AcnztQwEo1UutQ7BYWkiGIRBQea/fJSAOar/i3zuoZfTh/8oQa+Kn4so426Lf6XgTrmp8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:40.563520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031626
observed d64796bb7798e2fa599d092b7ec5e61f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.543323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031626/manifest.json
observed 79a4de51f5fdbfe88976cc42f88d3d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.525930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031626/publication.md
observed 4bcfd3165e808ebcee2a9b95fefe749b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.508926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031626/publication.txt
observed 699615987ba74402d7942c5c0e8d9173...
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.