OpenTechnical

OT-2026-000050586

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000050586) never changes.

Identity and time

Publication numberOT-2026-000050586 · never reused
Internal UUID01a0ae82-5c4a-72a5-b56d-d3eabff950da · 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-2026-000050586
StatusPUBLIC

Content hashes

Canonical text6cdb1bec6793ab3f9fff0d36928b49697fc68caacc31c1cb920bc2f29627ff9c
Markdownc47aa6e475a4addbf1555f8962ea5969b92b7ec16154f64d827d483df7250a54
PDF
Publication page21ef19c95c3929425aca2d6d263b087df77769f090b3189298de082c3ff9ef07
Manifestb7e90bc96ecd5efc64463cd4807dae6b5ee2ea6fd4b01db76c2becabb0a42c6c

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
SignaturegZsLBIYkX0IUWnVTZwOJV1m9GQhIYtC5VhRAE6MuPLhadK3arAkZNBWqPKLIQWbDi7w+UfkxYk18mPAKliENDw==
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

2026-09-17T11:01:41.378637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050586
observed 21ef19c95c3929425aca2d6d263b087d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.360869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050586/manifest.json
observed b7e90bc96ecd5efc64463cd4807dae6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.342264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050586/publication.md
observed c47aa6e475a4addbf1555f8962ea5969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.324351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050586/publication.txt
observed 6cdb1bec6793ab3f9fff0d36928b4969...
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.