OpenTechnical

OT-2026-000079198

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000079198) never changes.

Identity and time

Publication numberOT-2026-000079198 · never reused
Internal UUID01a0ae96-0b8f-7552-a77c-04039b00bde5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079198
StatusPUBLIC

Content hashes

Canonical text1527c3713c525fb82d2d638366cda14c35c69a13c16629b06d4e58d2cafa3892
Markdown8c87050069f8b60ee3c46526b319c81bfdc934172579bd1130effe28e9fda443
PDF
Publication pagefbbf7a6eb7e3698f8520862d1d49c2d28c3ea16dc1f50acd859db650e19a119e
Manifest022e79f2256bf2f91257fdb95a919c0883f8734695a6ede73f0f598669d853a9

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
SignatureIXWIp1SUS6jpTE1Ig8g/EMCBfl+tsTKziFi4r4bMC9lJvciO6L26RAkWCHXpOrd5WxJSG6ylWnaYoKbCRViZCw==
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

2026-09-17T10:04:41.091820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079198
observed fbbf7a6eb7e3698f8520862d1d49c2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:41.071859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079198/manifest.json
observed 022e79f2256bf2f91257fdb95a919c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:41.053627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079198/publication.md
observed 8c87050069f8b60ee3c46526b319c81b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:41.034590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079198/publication.txt
observed 1527c3713c525fb82d2d638366cda14c...
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.