OpenTechnical

OT-2026-000024581

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000024581) never changes.

Identity and time

Publication numberOT-2026-000024581 · never reused
Internal UUID01a0ae70-e8cc-7232-99e2-19088dad4959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024581
StatusPUBLIC

Content hashes

Canonical textac11cd2ca275a88ebdee6a7add22fd8b2bf884e1d6b65a09a5654a72f14af5c6
Markdown919a39a870eb12b4d1255e486ffdfe04d5eeda64c7155a8a7abbf72d22e4c046
PDF
Publication pagecf9a288cd472c76e7fadabccb5794c9b27d05e028496384d42e0196c99c6b08f
Manifesta5ba4e12a72c3300d703cb68cb43c74478a9d54f2d74e26a5888476cddddf590

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
SignatureIKb3UkfpN1YSpEaF4EIdSXnYeCt9ctNW+dbs0NAJYOA/kHxjc/qFcYhbj+LWI1XEn9LF2jott6+B3qFew1fzDA==
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

2026-09-17T11:50:44.835079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581
observed cf9a288cd472c76e7fadabccb5794c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.807557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581/manifest.json
observed a5ba4e12a72c3300d703cb68cb43c744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.774327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581/publication.md
observed 919a39a870eb12b4d1255e486ffdfe04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.753012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581/publication.txt
observed ac11cd2ca275a88ebdee6a7add22fd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:46.295550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581
observed cf9a288cd472c76e7fadabccb5794c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:46.277548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581/manifest.json
observed a5ba4e12a72c3300d703cb68cb43c744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:46.261402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581/publication.md
observed 919a39a870eb12b4d1255e486ffdfe04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:46.243658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024581/publication.txt
observed ac11cd2ca275a88ebdee6a7add22fd8b...
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.