OpenTechnical

OT-2026-000016618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000016618) never changes.

Identity and time

Publication numberOT-2026-000016618 · never reused
Internal UUID01a0ae6e-5918-7b82-af96-82be46a5d17c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016618
StatusPUBLIC

Content hashes

Canonical text7169e7bdc66dff95fc4cbfde696604cf0f376b243a408423c0b11a700863a0ba
Markdown61fcd0795f3414ce15aea88bda3e8b278df8f3173b0923439248c0c2faec6101
PDF
Publication page3801ab33e3c96b5f90b5ed6fb4896f8b30a8ed83da34116b302e3913d730f2ee
Manifest55c435a217c26953c80b950de784708f7e9e78a52eb365b3013aa874581d9412

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
Signature4bwfuNB0GUpYQeeVNXvWn84feWAnbtQJOhX+C1FXtoV6EwHU83IW5AABTnxymH+K1fTlmEJmyXsqR8oGeF8hAg==
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

2026-09-17T12:02:48.330262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016618
observed 3801ab33e3c96b5f90b5ed6fb4896f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.310447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016618/manifest.json
observed 55c435a217c26953c80b950de784708f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.292072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016618/publication.md
observed 61fcd0795f3414ce15aea88bda3e8b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.274814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016618/publication.txt
observed 7169e7bdc66dff95fc4cbfde696604cf...
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.