OpenTechnical

OT-2026-000026457

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000026457) never changes.

Identity and time

Publication numberOT-2026-000026457 · never reused
Internal UUID01a0ae71-f4a8-724d-b055-4b85f13045a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026457
StatusPUBLIC

Content hashes

Canonical text0c49fb56fd40c12fc8d0b392f591d78b1ecc1a2699fe8322e577ea2984e6755d
Markdown187532500dff3bfbadf51d81316f67e8d9c8da1ff8af64992e7ec816198e3b69
PDF
Publication page60611284488fe50d6927dfc483d68fb91c08446fe3aca9fa8c9802a85d2b1cee
Manifestde2ee7cc100456108ba23503e17cfba61f4b50a77cfc4177d380f86fdd818cee

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
SignatureqlQ+E4gHU5iQYUcSTb8vfm7ld7nM4ZlutI4lolljDTpVKufinCaF1qVZ8rkt9PYbmcw2TpflQV4f4jW6+5soDQ==
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

2026-09-17T11:44:27.552798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026457
observed 60611284488fe50d6927dfc483d68fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.535943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026457/manifest.json
observed de2ee7cc100456108ba23503e17cfba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.513866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026457/publication.md
observed 187532500dff3bfbadf51d81316f67e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.486701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026457/publication.txt
observed 0c49fb56fd40c12fc8d0b392f591d78b...
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.