OpenTechnical

OT-2026-000027398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000027398) never changes.

Identity and time

Publication numberOT-2026-000027398 · never reused
Internal UUID01a0ae72-6997-7015-ac21-6f7304d02732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027398
StatusPUBLIC

Content hashes

Canonical textbfdea943cef8e94a822f7d7dc7146be3e2588ff22d35806585d516e250c20945
Markdownc431632de97c9cf12fade1de3b70b6a616a4f45cf976da32cc9487b8b26706a8
PDF
Publication paged6820891df3abb5b4c4e46d2a9644955f8f519a4f83db9cd43ec42df24802762
Manifest12bd0a17b1120a784cf306470e69bc6ec1d512c7ade9d8a669e23af94da1cd01

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
Signature2sODAolMse2sKnYLoRYEoS8W35TfOGgU08OeZ6b1hoQzvgtU/DdGlcpEmTq/IBHpHX5aPk49zhrynTJ9iY+qCg==
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

2026-09-17T11:42:49.308602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027398
observed d6820891df3abb5b4c4e46d2a9644955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.292044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027398/manifest.json
observed 12bd0a17b1120a784cf306470e69bc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.274637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027398/publication.md
observed c431632de97c9cf12fade1de3b70b6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.258718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027398/publication.txt
observed bfdea943cef8e94a822f7d7dc7146be3...
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.