OpenTechnical

OT-2026-000015190

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000015190) never changes.

Identity and time

Publication numberOT-2026-000015190 · never reused
Internal UUID01a0ae6d-ef47-7cbc-b2cf-deb6fbd11519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015190
StatusPUBLIC

Content hashes

Canonical text21fbe5aac6a89b1b6af50839f401261bd1e48159857c411313180e3bc317249a
Markdown4394cfb5f9686250e8111a11d80f7ec94c1b4d5bd0302e777217f9d9fe8359c4
PDF
Publication page4f8a846e4309f083eaa104a831be5ded35271e9d9bc7f58a7fa7950ba6fb3793
Manifest20c92a7f8b0669ea8e2851e91e311d89cb253eb9525617c3b6252b1767fe7264

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
SignatureZza0McNi9WkUcLa+k/wngA1F9WIdSmRQorA2wh2Vii9QVntHhU1PEdG+UiAaEoJl7af0tYAkpgfCb/KNUYhKBA==
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

2026-09-17T12:05:48.952438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015190
observed 4f8a846e4309f083eaa104a831be5ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.932141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015190/manifest.json
observed 20c92a7f8b0669ea8e2851e91e311d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.912122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015190/publication.md
observed 4394cfb5f9686250e8111a11d80f7ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.890911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015190/publication.txt
observed 21fbe5aac6a89b1b6af50839f401261b...
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.