OpenTechnical

OT-2026-000079090

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000079090) never changes.

Identity and time

Publication numberOT-2026-000079090 · never reused
Internal UUID01a0ae95-ccbf-724a-8aa1-c014bc5bc188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079090
StatusPUBLIC

Content hashes

Canonical texte4e199c9ee2bfc1834c28b9564ee0e4a9595110f003a3c6db016fd277cafea43
Markdown803e4965f3680d7a45fe26793e8448c7783a063e63343c24a78cb03ea40e9aa1
PDF
Publication page25f726c9d35da16f5dc0fef157c56efd4fa2c81ab066fa14781aede77153b5a7
Manifest2fc3bc86656c6e2d79ec50db08bf8d71259bf924030c1d46a9094adebf4c6158

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
SignatureFd9LOkB/l2i0Boap6NWY8B9+mAohnDtA9mMzWyCYom2mddSXgWkFIGO0IDs8s/irbZFWJ4N5bXKrsRk9O72/Aw==
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

2026-09-17T10:05:56.012969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079090
observed 25f726c9d35da16f5dc0fef157c56efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.993040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079090/manifest.json
observed 2fc3bc86656c6e2d79ec50db08bf8d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.974595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079090/publication.md
observed 803e4965f3680d7a45fe26793e8448c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.954865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079090/publication.txt
observed e4e199c9ee2bfc1834c28b9564ee0e4a...
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.