OpenTechnical

OT-2026-000022213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022213) never changes.

Identity and time

Publication numberOT-2026-000022213 · never reused
Internal UUID01a0ae6f-f4fc-7e81-b077-392bdaec74b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022213
StatusPUBLIC

Content hashes

Canonical textb1e96482a581d9acf69a57dab5623b020d4bbd3a907867eaf96353f82d8571c9
Markdowna78c9311bfc673f28b2e830959bc3e4b53e68262ea4bf4044939b87b933a091f
PDF
Publication pagedbf184b0e549bbe8b4a19efd6ef431f89a916f461a4e82de5167585a8a5a2770
Manifest62d4912bb49dff5597ba9fa80e6d223b0a9b88de06612f26bc7f4065d05c63ed

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
SignatureyabRN9O5fn5RvmVSaNoAi4oaANQ+laRtNj3bTrYuy277PZXgzd4kp/vmjyp/MHZ1g9zsQMBAELd4O2X9HvWaCA==
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

2026-09-17T11:52:45.809637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022213
observed dbf184b0e549bbe8b4a19efd6ef431f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.790936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022213/manifest.json
observed 62d4912bb49dff5597ba9fa80e6d223b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.774470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022213/publication.md
observed a78c9311bfc673f28b2e830959bc3e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.758385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022213/publication.txt
observed b1e96482a581d9acf69a57dab5623b02...
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.