OpenTechnical

OT-2026-000018491

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000018491) never changes.

Identity and time

Publication numberOT-2026-000018491 · never reused
Internal UUID01a0ae6e-b48a-7501-8ceb-a0efd3eb13ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018491
StatusPUBLIC

Content hashes

Canonical textf32c2f4bd92ac5734349f99d8cfbd75c6852a6e35463f13074e8aa6885a4a674
Markdown0b13278d8da302b6e2f9e43c6352855743a866354575b48bdba36d627ba5cde5
PDF
Publication pageb26cd9c486740387f54c68b1f766ff7fd75cdecafce01802064867430ebe75d3
Manifestd4e7bf80c587ef5a97fb4f14ef05f461a8fea91cc1e1bc8c5471de7f89010057

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
Signature3mP3FmRF8dpXiugMUT9RShLRSjiJ/qBn0ysafjC/kgfvZKm6pvOIolNqidYE6NCeEfUW4pmabtHmttgO4V/sAA==
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

2026-09-17T12:01:15.776548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018491
observed b26cd9c486740387f54c68b1f766ff7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.755761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018491/manifest.json
observed d4e7bf80c587ef5a97fb4f14ef05f461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.737437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018491/publication.md
observed 0b13278d8da302b6e2f9e43c63528557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.720179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018491/publication.txt
observed f32c2f4bd92ac5734349f99d8cfbd75c...
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.