OpenTechnical

OT-2026-000032518

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000032518) never changes.

Identity and time

Publication numberOT-2026-000032518 · never reused
Internal UUID01a0ae75-106f-798e-9b10-90fc9e3091c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032518
StatusPUBLIC

Content hashes

Canonical text92c2963159d24afa218a141a833b4494d175b7c889f92bed649313ab0fc15923
Markdownd845e9c58bb178a9aad57cc5593c2f6180b31efeee87d0413acec534d3375fa8
PDF
Publication page447f3152d8586c95712634e6c0cd3eaf4e86cadf9639940cd06c0f3b50adcbfa
Manifest03384a3b8d36ea9b5d28e3025a2cdfb64fcf1c51a561fc751a6cdc688fa1bc76

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
Signature2ggryKSHaAQX3LiaZeHPW3JIClUgN69uSfk+Dr4Q4Jn20RfQnZLVS5sUry0SzkR/XiWVG7b1JfNh7POcwcpOCA==
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

2026-09-17T11:33:57.800174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032518
observed 447f3152d8586c95712634e6c0cd3eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.781890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032518/manifest.json
observed 03384a3b8d36ea9b5d28e3025a2cdfb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.762598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032518/publication.md
observed d845e9c58bb178a9aad57cc5593c2f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.745618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032518/publication.txt
observed 92c2963159d24afa218a141a833b4494...
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.