OpenTechnical

OT-2026-000043754

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000043754) never changes.

Identity and time

Publication numberOT-2026-000043754 · never reused
Internal UUID01a0ae7b-d676-70e6-8367-59eedf5692fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043754
StatusPUBLIC

Content hashes

Canonical texta125a58ec00a389867a61b636c551d1ebe83fb669353af0bc38594e490bc2693
Markdownb7f8f18e6633afa5b72baafe8c30225410c65c34e45d31b2a60763f26f414a01
PDF
Publication pageb6d0f188de701d5947b09d33d8f39b801a649f6c25bcf49822a2238421d05857
Manifest6b36e7bb92c9992b108ef270f23c696b4728ad51ad8ac387c774305cc34357f4

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
SignatureXodCMz+LRoFSykpCU9Loo0nKnr2bVbCk5PLCq8WO2a+nw27SKGCBhDQ+9x03LZq1Ndzpb6c08YHmhM++aio7Dg==
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

2026-09-17T11:12:02.203709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043754
observed b6d0f188de701d5947b09d33d8f39b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.184793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043754/manifest.json
observed 6b36e7bb92c9992b108ef270f23c696b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.167192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043754/publication.md
observed b7f8f18e6633afa5b72baafe8c302254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.149023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043754/publication.txt
observed a125a58ec00a389867a61b636c551d1e...
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.