OpenTechnical

OT-2026-000016679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000016679) never changes.

Identity and time

Publication numberOT-2026-000016679 · never reused
Internal UUID01a0ae6e-5918-7306-af03-811ebdc0996c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016679
StatusPUBLIC

Content hashes

Canonical text71b558a28e8914c9b1e4aadb695131ba40e5d2d7c6ad22ea8d002ab48f861f85
Markdownf8033c6879b2c243a7e114b99baccd76edc7fd223889cc564eb61c49d4076bd6
PDF
Publication page3c4afaa84204cfc5c08452ca8602d46c31c921237e4b3f67efe4f3f29466240a
Manifest9ec971618c0dea424d0c849d49d802cddca3867eb62a2724e8b4de7441de0391

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
SignatureblMmnQ/REi7xdxe1KHj9U4z6RnPNlRQWTzLeRQ+2dZwyxvknrTMNduDJlVEu6zGglN725Be0GGDcjXIeLaWBDQ==
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

2026-09-17T12:02:53.837605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016679
observed 3c4afaa84204cfc5c08452ca8602d46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.820205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016679/manifest.json
observed 9ec971618c0dea424d0c849d49d802cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.802802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016679/publication.md
observed f8033c6879b2c243a7e114b99baccd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.786378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016679/publication.txt
observed 71b558a28e8914c9b1e4aadb695131ba...
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.