OpenTechnical

OT-2026-000031606

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000031606) never changes.

Identity and time

Publication numberOT-2026-000031606 · never reused
Internal UUID01a0ae74-bacf-7f40-9270-7827fb09e37c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031606
StatusPUBLIC

Content hashes

Canonical textd17ac489de3110af5aaa2e9e637262af19903b8cc468fa7895e17f832d706498
Markdowneda4d9cf05dff9e3b851cfd26a9366e38b077dc2f7bb9c4e442aa58eeb8cca53
PDF
Publication page1663a2a184f9308e2027f57d02c8af0ecf1aa37cae9b56d94c2f71cae3e0e8d5
Manifestf17941c44fc0dc7f652e9336caf307b089380b9200b3200a3db15beb0146e0c3

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
SignatureGEaE3FPkoFMptY70tVj6ACK/T79XBb/uwATg49SjluRCtWtqhXunen/hUo87NWKaajXesAHW8rr/o7nFut1NCA==
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

2026-09-17T11:34:39.080410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031606
observed 1663a2a184f9308e2027f57d02c8af0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:39.062847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031606/manifest.json
observed f17941c44fc0dc7f652e9336caf307b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:39.045897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031606/publication.md
observed eda4d9cf05dff9e3b851cfd26a9366e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:39.027391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031606/publication.txt
observed d17ac489de3110af5aaa2e9e637262af...
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.