OpenTechnical

OT-2026-000040725

Publication integrity record

Three cup vacuum gripper, three 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-2026-000040725) never changes.

Identity and time

Publication numberOT-2026-000040725 · never reused
Internal UUID01a0ae79-6d0f-7bc3-9fd4-8b61062d28a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040725
StatusPUBLIC

Content hashes

Canonical textdce0e3cfd004d29fc85706c546d3af082d40feda3c187a2eb120b7812a377fed
Markdown665cb4e9cc4bba5467c0016677d624a3da4db9c6bb960ae980d537c4532398a6
PDF
Publication page88d902b419cbe11a8f467043cfc5d12d2099eb0682ed24561b448fd097dc65d4
Manifest9a931533ba6e18392d37bbc53e3dc198dc52272ea67ab69117c328bf6b793eb5

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
SignatureAzT3AjEyrb3SJyX3/swHlKKav/sJGZOXFaJTkgIpgELrJLPBr9A9Vcco1wwWfGCUX+Npmb5PNty416PvRGWoAQ==
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

2026-09-17T11:17:58.860572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040725
observed 88d902b419cbe11a8f467043cfc5d12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:58.839780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040725/manifest.json
observed 9a931533ba6e18392d37bbc53e3dc198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:58.820931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040725/publication.md
observed 665cb4e9cc4bba5467c0016677d624a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:58.794390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040725/publication.txt
observed dce0e3cfd004d29fc85706c546d3af08...
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.