OpenTechnical

OT-2026-000023815

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000023815) never changes.

Identity and time

Publication numberOT-2026-000023815 · never reused
Internal UUID01a0ae70-aed5-7a39-9094-9d39ea407a5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023815
StatusPUBLIC

Content hashes

Canonical textef9b32468b5328e8e03e3e4fc52b1f4d07ebdc3f43b0152529781a0d06451eeb
Markdown6081a8cf9fd581ce2d644cb10cc7082807946c4af50bc45cceed0e2c45e90e67
PDF
Publication page87fccbee79be229cbd5d2edbcc37402b9973430a25cdfd88c8a2f811aaa9734e
Manifeste274bae79ecd30adc34cfa40b64842818acf715b136d5e280e2ec67448606781

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
SignaturejxJWit8oB+GXnabbTLaWInQYGFunV3k23XCOz+dkY6G+e62UorJ/XrWdBS7t0JdfF6AzUzvPsTdgWdSmWCcUBw==
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

2026-09-17T11:50:17.883863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023815
observed 87fccbee79be229cbd5d2edbcc37402b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.866412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023815/manifest.json
observed e274bae79ecd30adc34cfa40b6484281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.845911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023815/publication.md
observed 6081a8cf9fd581ce2d644cb10cc70828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.826402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023815/publication.txt
observed ef9b32468b5328e8e03e3e4fc52b1f4d...
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.