OpenTechnical

OT-2026-000031460

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line 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-2026-000031460) never changes.

Identity and time

Publication numberOT-2026-000031460 · never reused
Internal UUID01a0ae74-87ae-743b-a61a-0716a476ac86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031460
StatusPUBLIC

Content hashes

Canonical text65894c4cb1805910676490cec0ec8abe140b2ff154b2b15ed844da8db66938b2
Markdown0d903d4d0a29c3ed8fbfb1e972828ee0ec7623b532b576bb662f81f0be821fe0
PDF
Publication page6e5b91f819dd1fe2a10ab2c3dcec2eb8855491b0594f44042fc3e32d660af4d1
Manifest753195d480256f8759462b57745d4371b2f437e716e5f6a19f2813352cbd9227

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
SignatureZOLwhfOeBMvidmHvSyamzo8E6izNYT3lqb1oeIV6ukTgWtOUOvB3wEdSspWB6DZz8XaiA3EcMrYC3RiPK+RdAw==
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

2026-09-17T11:36:11.323708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031460
observed 6e5b91f819dd1fe2a10ab2c3dcec2eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.305834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031460/manifest.json
observed 753195d480256f8759462b57745d4371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.282950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031460/publication.md
observed 0d903d4d0a29c3ed8fbfb1e972828ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.262501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031460/publication.txt
observed 65894c4cb1805910676490cec0ec8abe...
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.