OpenTechnical

OT-2026-000053258

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000053258) never changes.

Identity and time

Publication numberOT-2026-000053258 · never reused
Internal UUID01a0ae85-0a14-7ea0-a0c3-0c820e81528e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053258
StatusPUBLIC

Content hashes

Canonical text4ed19855f5bb8c9a09734362c4bd374627d16f1198294ce37f8fd1ae7c728587
Markdownfb165caf6509864c121d167f93ba0b9f4e39aea3902ccb8771b86bb42c071df3
PDF
Publication page8451c0b2288dfcbfbca9065e186d3659a30c1cb7e77647de791a91714a9c8965
Manifestda5a4c722be4baec63b46d9ca8dee221404a3625dcf89e91886f6d2b3d9a87a6

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
SignatureE9+d14lKwTW5rdBzC5FTMn4NYa+2EIAXCaDsmKv6OmyA/Y/c8xL5AqjsWdffbRzoMKvirX/Q8mGuzWDmVCBXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:58.554851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053258
observed 8451c0b2288dfcbfbca9065e186d3659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.524611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053258/manifest.json
observed da5a4c722be4baec63b46d9ca8dee221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.506807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053258/publication.md
observed fb165caf6509864c121d167f93ba0b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.488051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053258/publication.txt
observed 4ed19855f5bb8c9a09734362c4bd3746...
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.