OpenTechnical

OT-2026-000051718

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-2026-000051718) never changes.

Identity and time

Publication numberOT-2026-000051718 · never reused
Internal UUID01a0ae83-7c83-7c99-8c57-352edd4ff80f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051718
StatusPUBLIC

Content hashes

Canonical textccf0892fbda6d1cf8804f0df6e89685939b1ebc95f66e583ece056e4f5992d1d
Markdown2c5974920ee9557c6004681443f61cbea708d39705ace9838fdbb46144c0331f
PDF
Publication page78fb3bdd0f7f3cf6afb0c7db3234dd9333f769d8f5945ca020830984f72fa879
Manifestcd5a363b02747d3d70c99e7b9eda09375a3cbf3ccc25a998b6c4662f92a0d99d

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
Signaturek5e1bLkJKwK613f0fUpt6KB6MuOcL4JibS8ygNPeS/p4f2qknmVCUXGTVsZaCFMlE62s346RCMoZo1PMzuyXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:36.246420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051718
observed 78fb3bdd0f7f3cf6afb0c7db3234dd93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.228360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051718/manifest.json
observed cd5a363b02747d3d70c99e7b9eda0937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.211269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051718/publication.md
observed 2c5974920ee9557c6004681443f61cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.193221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051718/publication.txt
observed ccf0892fbda6d1cf8804f0df6e896859...
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.