OpenTechnical

OT-2026-000031042

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000031042) never changes.

Identity and time

Publication numberOT-2026-000031042 · never reused
Internal UUID01a0ae74-3fb7-76b4-9a03-5fb600efe55b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031042
StatusPUBLIC

Content hashes

Canonical text3d37f79c707ef32da9ccb915245c24929509bd6676ad629c06f9ac01d107914f
Markdown09678659f533ffe1e9bfa3c907b7669e06daa3eb97dc711efe2125c22f20d053
PDF
Publication page783f2d2eead34328156eba3bbf5e7907440dc2b7ca504197fe5b8318543a746c
Manifestedfd77cfecfdb243921b092148fea0b47fd43e25ea63b081ee95f0dd1d80f28a

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
SignatureXiM4m8laossBOk3OjiM4fVokB4njpyD29GB4MoFYUspvr/nlBO3uZv07uZDqhGUriLxeFFSx46WWRlLj1zo6DQ==
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

2026-09-17T11:40:08.563058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042
observed 783f2d2eead34328156eba3bbf5e7907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.546227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042/manifest.json
observed edfd77cfecfdb243921b092148fea0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.529499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042/publication.md
observed 09678659f533ffe1e9bfa3c907b7669e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.507325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042/publication.txt
observed 3d37f79c707ef32da9ccb915245c2492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.411533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042
observed 783f2d2eead34328156eba3bbf5e7907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.394323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042/manifest.json
observed edfd77cfecfdb243921b092148fea0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.376502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042/publication.md
observed 09678659f533ffe1e9bfa3c907b7669e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.360215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031042/publication.txt
observed 3d37f79c707ef32da9ccb915245c2492...
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.