OpenTechnical

OT-2026-000012854

Publication integrity record

Foam pad vacuum gripper, two stage ejector, pulsed blow-off 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-2026-000012854) never changes.

Identity and time

Publication numberOT-2026-000012854 · never reused
Internal UUID01a0ae6d-5563-716b-b38a-1371a4528700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012854
StatusPUBLIC

Content hashes

Canonical text24a9c6effae91e5e0da0dd241f1bcffa84f81e0ba4505c4c6e1756cbe58081fe
Markdown7db70507d22873243d126f1e93d1d8a6f25ea877672fb9894e8fd382e7272a1f
PDF
Publication page4edcc1322ee42037437b15ee1605b7c1bc7cea0b729f17a48dd138f95e51bc57
Manifeste45beed5046855a8f6bfbd4ad66dff5e9d59acf636708374631c8097e4ae7fa8

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
SignatureMfvFYUg+MQdbZoHW1s8bLMbOVl5xpHncYsSTb3r9UIhUrBkn2SSaVqx0A2GnBQmsAHS8M1wV9ES0JwGeIBqeAA==
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

2026-09-17T12:10:38.049022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012854
observed 4edcc1322ee42037437b15ee1605b7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.030253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012854/manifest.json
observed e45beed5046855a8f6bfbd4ad66dff5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.012349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012854/publication.md
observed 7db70507d22873243d126f1e93d1d8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.992683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012854/publication.txt
observed 24a9c6effae91e5e0da0dd241f1bcffa...
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.