OpenTechnical

OT-2026-000014723

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000014723) never changes.

Identity and time

Publication numberOT-2026-000014723 · never reused
Internal UUID01a0ae6d-d093-70ff-8123-28052e43f11f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014723
StatusPUBLIC

Content hashes

Canonical textce90e76753411ca3933fc13759d2563fd38231379214f141c0b9bd670664ec88
Markdown4a597fd1cdd6fcdcc4b5dbb4fdf7364a9aa7fdcfea4773047465ff51402ccd35
PDF
Publication pageed51e00c1fbaad0f1330255f1a1e50215505cfa3826a56dca8e124763cf6add6
Manifeste18dc57a1bc04348d31a55af0f5289df3b45ec8c4290370710f4e6ae421070a2

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
SignatureFgKSzCFidlM+iH9JwVQa6Y09giE3geJjufXtfniBMuZbu27yJq9R1M2lkEjHXqTgZcMtboy9t0lxSioTyVGyDQ==
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

2026-09-17T12:06:35.617098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014723
observed ed51e00c1fbaad0f1330255f1a1e5021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:35.599053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014723/manifest.json
observed e18dc57a1bc04348d31a55af0f5289df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:35.579393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014723/publication.md
observed 4a597fd1cdd6fcdcc4b5dbb4fdf7364a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:35.559565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014723/publication.txt
observed ce90e76753411ca3933fc13759d2563f...
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.