OpenTechnical

OT-2026-000008815

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off after 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-2026-000008815) never changes.

Identity and time

Publication numberOT-2026-000008815 · never reused
Internal UUID01a0ae6a-e46c-7ccc-b504-8321e95c27c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008815
StatusPUBLIC

Content hashes

Canonical textabd1c0c035b7ca968c00b381fc8a17c2b631b602e5a254d30cfcdf84a08e0fc4
Markdown56cfb29227684609d5b216b889822823654258a65f88db13088fe179d73fa6d9
PDF
Publication pagea831ff7f8452911181789c8b2be81c38e3ddeb925ac32f20073b0ed244790d5b
Manifest436c15b8e5d23ffa8c21946eecef5efdc91943b20c7c2dbdc41f03cf4d72ed2d

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
SignatureaKN0vSPLszCUE8ybxcmNS4byxupOVltAmCm7pDrSA2zH05wgtmGqIELo5Zsj9kAOu0oI3k40xtTuA3ozttlsDQ==
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

2026-09-17T12:20:06.469722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815
observed a831ff7f8452911181789c8b2be81c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.451204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815/manifest.json
observed 436c15b8e5d23ffa8c21946eecef5efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.431278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815/publication.md
observed 56cfb29227684609d5b216b889822823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.412648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815/publication.txt
observed abd1c0c035b7ca968c00b381fc8a17c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.496132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815
observed a831ff7f8452911181789c8b2be81c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.479473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815/manifest.json
observed 436c15b8e5d23ffa8c21946eecef5efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.461591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815/publication.md
observed 56cfb29227684609d5b216b889822823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.443675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008815/publication.txt
observed abd1c0c035b7ca968c00b381fc8a17c2...
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.