OpenTechnical

OT-2026-000042201

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000042201) never changes.

Identity and time

Publication numberOT-2026-000042201 · never reused
Internal UUID01a0ae7a-5d72-7509-95ea-bd483aa1507c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042201
StatusPUBLIC

Content hashes

Canonical text670b7b6121c8866884915e74d0353a4380b213e575550b04d7fdbe4d40855cbc
Markdowne54520109c6e47a32879c322a8c6bfc9799bf82d765ae476fcd181a60f95ceed
PDF
Publication pageba438cf636b0e69af76de69a05b57726e2520697ff96a98bb17f2a7fe85efbf9
Manifest599fe3aa83766b8fd56636d34072b298f75f428c50f466b009895563b6eaeeed

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
SignatureG2p3L0oTW5Fxgndyvd38vGhl/afW/xX+Q9UpojhiJ/JNSU3h6w1MZzBMZkocykgK0igdZChg30sAXt42lz2ZDA==
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

2026-09-17T11:15:52.082291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042201
observed ba438cf636b0e69af76de69a05b57726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.063055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042201/manifest.json
observed 599fe3aa83766b8fd56636d34072b298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.043429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042201/publication.md
observed e54520109c6e47a32879c322a8c6bfc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.022153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042201/publication.txt
observed 670b7b6121c8866884915e74d0353a43...
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.