OpenTechnical

OT-2026-000050534

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050534) never changes.

Identity and time

Publication numberOT-2026-000050534 · never reused
Internal UUID01a0ae82-5c49-7700-95a6-488f6fe2605e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050534
StatusPUBLIC

Content hashes

Canonical textea9fda1a5987b1977daef45149c85a4449de3f3cd9009c6e181cc5b7ca8071df
Markdownf5078444ff555e7c338cf612b8ce6feeffe0ef18b3d7ceb6da3720f5dc39d79c
PDF
Publication paged553c074d9aa7f15e887023fb6c52910a5b0c094dba06ef307a8542d9ecff215
Manifest055d5f06b869bf5ab4982aac0a1da75484c7e2eb5bde80f775d1238f516c3149

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
Signature7i0WBB9vE48sQz9RI7KHbPy+CEBDsQL80OiYu1eos2rR9tvAfAh1G5N/Mnnvg2lg2Tx+R2O7o51YmQu5EU+sCQ==
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

2026-09-17T11:01:37.792641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050534
observed d553c074d9aa7f15e887023fb6c52910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.774822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050534/manifest.json
observed 055d5f06b869bf5ab4982aac0a1da754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.756118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050534/publication.md
observed f5078444ff555e7c338cf612b8ce6fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.739216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050534/publication.txt
observed ea9fda1a5987b1977daef45149c85a44...
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.