OpenTechnical

OT-2026-000059816

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off 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-2026-000059816) never changes.

Identity and time

Publication numberOT-2026-000059816 · never reused
Internal UUID01a0ae89-ec25-7f6f-bfb9-33a9874e0543 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059816
StatusPUBLIC

Content hashes

Canonical textf3abce93c678f94dd2433494c210fe1e3b116a80a5c49c67012486f2103abd18
Markdownb83015db177b3d9bd8bf0eef329e155533ecdb55a36c7cb0c42acf365006ad02
PDF
Publication page748cac57799b7f0901be611ac2def40bd498e882da8b385a61ca4ad034faeb9d
Manifest75edc132fd6debc25920264bc68acb132a93dc4a7bd26a9c6c0bb2b98fae8067

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
Signature0JTTpKDjb1H/gK08mgXdtCWloClRvvyUt1pj8nEeyZG3LmXa2sNqRoFYw+5w2R9xPeikI7/xG7tGaoPQRU7IBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:33.361535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059816
observed 748cac57799b7f0901be611ac2def40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.342852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059816/manifest.json
observed 75edc132fd6debc25920264bc68acb13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.325307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059816/publication.md
observed b83015db177b3d9bd8bf0eef329e1555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.305855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059816/publication.txt
observed f3abce93c678f94dd2433494c210fe1e...
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.