OpenTechnical

OT-2026-000082141

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, sustained blow-off before 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-2026-000082141) never changes.

Identity and time

Publication numberOT-2026-000082141 · never reused
Internal UUID01a0ae97-4d93-7313-bf42-f54a96912a69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082141
StatusPUBLIC

Content hashes

Canonical textc9e6e97952563b1e4ddfaa533291f908b2aeed31bc38fe6612f2546208801ac6
Markdown1de042fcb6e055b263b9b8a2ae23bef22ba35750ff67a15fcb7339dbc4120e2e
PDF
Publication paged22a015c386ba9f0f1bf5541a3d0bb76be9f1c1639499f9fcb23e173aa709ebc
Manifesta7d8073f1b86022bf634ad481ef6394e1f336296a91d1cbd981714da98eb51d4

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
SignaturezN2xvMwZmS3/VsXqmbixJnocONNUdWxPwqSz8XlnHyylfH4P1ZkDbwVTw//9nqme1quBI7ciNpJ6+wpNY0EjCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:57.638013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082141
observed d22a015c386ba9f0f1bf5541a3d0bb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.619797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082141/manifest.json
observed a7d8073f1b86022bf634ad481ef6394e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.601143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082141/publication.md
observed 1de042fcb6e055b263b9b8a2ae23bef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.582337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082141/publication.txt
observed c9e6e97952563b1e4ddfaa533291f908...
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.