OpenTechnical

OT-2026-000026550

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000026550) never changes.

Identity and time

Publication numberOT-2026-000026550 · never reused
Internal UUID01a0ae71-f4a9-7a4c-942e-116abd713b3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026550
StatusPUBLIC

Content hashes

Canonical text3bca57830cb1212c4e02e846544637d0c3be716107d08059df17b0da22d1b80a
Markdown674744dbbab895b735c963819fe5c1cd4340affda3073f2faa0e3ad514f4cb6f
PDF
Publication page9b0ece434fe8572b14eff5e3a8abaa2b16d88d3bd089aba905a2441a36e5248d
Manifestabdba7b1039092e60f3e3c920dd58daa7b5ac35fce668ca678dd5fe05d0cd063

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
Signature3OYu9c72r6A4I19O1IpKxawcA8pmwRFkslbBRzCNZxTqmq9V5H2g3k+Hgz/trS91uMPXZA5Spy5+zKx7gzKkAQ==
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

2026-09-17T11:44:40.782239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026550
observed 9b0ece434fe8572b14eff5e3a8abaa2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.765684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026550/manifest.json
observed abdba7b1039092e60f3e3c920dd58daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.748962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026550/publication.md
observed 674744dbbab895b735c963819fe5c1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.732844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026550/publication.txt
observed 3bca57830cb1212c4e02e846544637d0...
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.