OpenTechnical

OT-2026-000016179

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000016179) never changes.

Identity and time

Publication numberOT-2026-000016179 · never reused
Internal UUID01a0ae6e-2d11-7ac1-acc1-703215c7ab8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016179
StatusPUBLIC

Content hashes

Canonical textd17d7b2407cbace59aecfb96598bd3ae6f1729c4e07af3f0b6cd5904e0c45bb6
Markdown01215f80af1c9d13c5a902059cd5e0673d5c378ed149681935c4e174ac4d7943
PDF
Publication pagea1e8ef949d88d787ee92396954ce2c66605394a8337593c1e29e919458ae308a
Manifest9abfab848eb762d5bf5759ad10bdd7ae06e4b969209e2b1be0ab21fb5f2e229a

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
Signaturell3E1FKp1d0LQ0eqtjcITMmx6RWyTRl0XVv3fwYU3xEvKbg07HYx8zt0fGzsYL2c90ApiCgynuS/3zB5D84xDg==
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

2026-09-17T12:03:37.885589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016179
observed a1e8ef949d88d787ee92396954ce2c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.864329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016179/manifest.json
observed 9abfab848eb762d5bf5759ad10bdd7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.840728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016179/publication.md
observed 01215f80af1c9d13c5a902059cd5e067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.818593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016179/publication.txt
observed d17d7b2407cbace59aecfb96598bd3ae...
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.