OpenTechnical

OT-2026-000018446

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000018446) never changes.

Identity and time

Publication numberOT-2026-000018446 · never reused
Internal UUID01a0ae6e-b48a-7fac-85ea-4585a2e332e9 · 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-2026-000018446
StatusPUBLIC

Content hashes

Canonical textfe233f6f59377414bb6bee1c3c0aa7215a8790fc0a3c35d796e10529deeb46de
Markdown26b6157359c4403941631d88f37a7efa99cfebb7c72d19a0e16ebe85d4a69621
PDF
Publication pagec8e1a8740893a73c38310414ba2c9b2af06db3dffd2ed17510bc70aa51f627d2
Manifest37dffdada748534cec059da32d6c4fcf333802cd3d0d6b4de7f63f13ac60fbdf

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
Signaturew/HUs1L9He5g7jHWgKp6NxOFPw4ZqEppc2ru/26q9ex5vYI5kSuLOmz5jnBtmau2OSkMqYl2CqamQbEydlKeDQ==
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

2026-09-17T12:01:12.240509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018446
observed c8e1a8740893a73c38310414ba2c9b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.214548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018446/manifest.json
observed 37dffdada748534cec059da32d6c4fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.194712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018446/publication.md
observed 26b6157359c4403941631d88f37a7efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.090394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018446/publication.txt
observed fe233f6f59377414bb6bee1c3c0aa721...
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.