OpenTechnical

OT-2026-000030250

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000030250) never changes.

Identity and time

Publication numberOT-2026-000030250 · never reused
Internal UUID01a0ae73-e500-77ef-b41e-98eeac2c9bed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030250
StatusPUBLIC

Content hashes

Canonical text6e235da1b6593159b81063beab3dfbd4a63c8958c914b6117e5ea8cf2954d1d2
Markdown75cbb129bb4b2d8679eb89ba8ed3a2343e6a30dafaec8199bf86a6219a8d12b7
PDF
Publication pagede6db4ce89cb2e4eec3daf0a051dda74062efb7f7daddc7e5cc5663db893d548
Manifest89ed10d944cb22ca6dd9bb12fe791346ddba3e18f681a0c7ed9a0d0245014c6d

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
Signaturevkd5RAXe8iIsITIBb/Q/ltEJV0m9Cg36EirHLptQ8xqVsIvLeTO8kHeyFnuE2zhN2GgiYY1jl7zlNHh4qjm1Ag==
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

2026-09-17T11:40:38.135780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250
observed de6db4ce89cb2e4eec3daf0a051dda74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.115331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250/manifest.json
observed 89ed10d944cb22ca6dd9bb12fe791346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.095147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250/publication.md
observed 75cbb129bb4b2d8679eb89ba8ed3a234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.074629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250/publication.txt
observed 6e235da1b6593159b81063beab3dfbd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.537256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250
observed de6db4ce89cb2e4eec3daf0a051dda74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.522416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250/manifest.json
observed 89ed10d944cb22ca6dd9bb12fe791346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.505265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250/publication.md
observed 75cbb129bb4b2d8679eb89ba8ed3a234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.487689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030250/publication.txt
observed 6e235da1b6593159b81063beab3dfbd4...
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.