OpenTechnical

OT-2026-000023605

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000023605) never changes.

Identity and time

Publication numberOT-2026-000023605 · never reused
Internal UUID01a0ae70-aed3-7216-af08-795d2433c0f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023605
StatusPUBLIC

Content hashes

Canonical text2fe4f13ee4723e252547cb8ead2290b9fce67c4a9d3d0436063e2c0e2eb4583b
Markdown3d4640164ed693138ffa8716312c06d2ac65ac001b6dc92d0bc90b7788e45726
PDF
Publication paged6fc6b5b38ee5a9ddfd0665bf40da84eb09e18377f7c659c38fadc2b0bed895e
Manifest7b9ab29739490b403bfc38093379064e30d4926a2ff97fd4737ff8651c557f82

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
SignaturesH01KCcGBT92iEFO/lZfRHFduyrGtHwzfyF1p42CBpfnkLk6esh6/HGjTQVBgPnJi7zIqWCYnQK+4ynzFsLqBw==
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

2026-09-17T11:50:47.305386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605
observed d6fc6b5b38ee5a9ddfd0665bf40da84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.285476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605/manifest.json
observed 7b9ab29739490b403bfc38093379064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.265552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605/publication.md
observed 3d4640164ed693138ffa8716312c06d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.244714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605/publication.txt
observed 2fe4f13ee4723e252547cb8ead2290b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.370063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605
observed d6fc6b5b38ee5a9ddfd0665bf40da84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.352493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605/manifest.json
observed 7b9ab29739490b403bfc38093379064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.334654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605/publication.md
observed 3d4640164ed693138ffa8716312c06d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.310557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023605/publication.txt
observed 2fe4f13ee4723e252547cb8ead2290b9...
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.