OpenTechnical

OT-2026-000009781

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented before set-down

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-2026-000009781) never changes.

Identity and time

Publication numberOT-2026-000009781 · never reused
Internal UUID01a0ae6b-7565-7d31-b464-8da5839bc751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009781
StatusPUBLIC

Content hashes

Canonical textb8c563e58c8689a02f2dfcbb8cf5b3ecf60a96be7c92b94e076ce1183e55f0d1
Markdown0cbb1e4e6b4a8ac2787c713613640de86de350b6f1a2c31897f0a6a17ccd8c50
PDF
Publication pagec613de10e9cc10e91c36f0a411529f01cd1dc6c297d06e33821cb4e663307251
Manifest6d123db4b05acba931a4e501ca8cb88fe7b548f99eabba0989f4d1f39b408d30

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
SignatureAId1tyHnRj4pnTZgvVMRIbLwQuSMZqEtlvD3gHURFSm1/1Sn+ozpAjbJDy5yC/3Vj9wC7vWvEgZMkLJlyDvpDg==
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

2026-09-17T12:17:17.730301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009781
observed c613de10e9cc10e91c36f0a411529f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.712477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009781/manifest.json
observed 6d123db4b05acba931a4e501ca8cb88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.694695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009781/publication.md
observed 0cbb1e4e6b4a8ac2787c713613640de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.675999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009781/publication.txt
observed b8c563e58c8689a02f2dfcbb8cf5b3ec...
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.