OpenTechnical

OT-2026-000084404

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084404) never changes.

Identity and time

Publication numberOT-2026-000084404 · never reused
Internal UUID01a0ae98-5b62-7b01-bc4a-01619c406b2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084404
StatusPUBLIC

Content hashes

Canonical text96c0b9240b04c3e6b7d5df2b28305423501a2aae74f006e2018f68ef34f7f6e8
Markdownb8803b7dfa06ca33a33aa11bb987bb3c76c7c51fa3125d3fbe8f5c42ec8cd770
PDF
Publication pagefe23e7f492f6ec5be0b52d256626acf8b6490dae37862b4e04669e67d6ea30a9
Manifest69bcb54d6531e61de77950545faefe8a231cdfed96f2da4d9668fdb0dcb74a7f

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
Signaturesy/GnEhg5UKQCdDVzRZuagFDgO/SjJUGegU7ml51tZMtrM24w/z2QuhiiaTEJ6UO084YH6ltg5s7+Y4+tBYLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:21.025796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084404
observed fe23e7f492f6ec5be0b52d256626acf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.008941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084404/manifest.json
observed 69bcb54d6531e61de77950545faefe8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.990844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084404/publication.md
observed b8803b7dfa06ca33a33aa11bb987bb3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.972517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084404/publication.txt
observed 96c0b9240b04c3e6b7d5df2b28305423...
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.