OpenTechnical

OT-2026-000018447

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000018447) never changes.

Identity and time

Publication numberOT-2026-000018447 · never reused
Internal UUID01a0ae6e-b48a-72d4-a7ff-6226ce56c4f9 · 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-2026-000018447
StatusPUBLIC

Content hashes

Canonical text6bdd95bcd7aeb6e7116769a9deb6267ee2c7cb72da98cc1526e96a0a02cf8bdb
Markdown668ea55313461deb2f6fc7b5209dc2a8340c6dde32a35444a11b63d8d8be52ef
PDF
Publication pageab5e40ec990cc5b626b9ba86835a13afb4ac4b2e3f962d6628becbf2d3cb66aa
Manifest729ed85675cda78e271f79cc8a35f2120456458816106d0d7cd30b94bd92b629

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
SignatureGHlZg7rMsKiXZeVYoVTIgfUPpHH5Wt5Z4GJqQ5/TqQToXi5V6/MyJbUOHFPDnakf1dAvFqasqvjpHuwfJHnfAg==
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

2026-09-17T12:01:12.317093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018447
observed ab5e40ec990cc5b626b9ba86835a13af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.298693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018447/manifest.json
observed 729ed85675cda78e271f79cc8a35f212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.282465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018447/publication.md
observed 668ea55313461deb2f6fc7b5209dc2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.262985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018447/publication.txt
observed 6bdd95bcd7aeb6e7116769a9deb6267e...
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.