OpenTechnical

OT-2026-000104455

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed 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-2026-000104455) never changes.

Identity and time

Publication numberOT-2026-000104455 · never reused
Internal UUID01a0aea5-3421-7b83-b9af-dc42139cb5a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104455
StatusPUBLIC

Content hashes

Canonical textec326a3b121e24753f2c1110e3ebd64866af0f9fc5292807cfb0af2f5b975fce
Markdownebaf248487ead6c5aa6456fb08f59085f5b23691c6766d4b13dcbc91cb8f4fa9
PDF
Publication page96ffd0e7ca7eba8117c26a3890ddfdacdd30667eb402685923ec8f9ca9abffeb
Manifest5d667011b2f1c4046ab1f2724da3db79093da68af906de32d5159859d9b82257

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
SignatureZP+5yFizWBDVYIar8PuLH2dg+KptcL+EvfE4omH6jjHBVWrqBVz1Kd441mDTJw6/fKXeroiLnwvmOviofQl6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:44.169714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104455
observed 96ffd0e7ca7eba8117c26a3890ddfdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:44.152134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104455/manifest.json
observed 5d667011b2f1c4046ab1f2724da3db79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:44.134207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104455/publication.md
observed ebaf248487ead6c5aa6456fb08f59085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:44.115755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104455/publication.txt
observed ec326a3b121e24753f2c1110e3ebd648...
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.