OpenTechnical

OT-2026-000052234

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000052234) never changes.

Identity and time

Publication numberOT-2026-000052234 · never reused
Internal UUID01a0ae83-e790-79a0-88b0-2f34a05e72d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052234
StatusPUBLIC

Content hashes

Canonical textc91d9cb1be20754e7b5f8a24f23ddc623068bfc43b681e93b63c883453d60913
Markdown3d6257ef7db49e06fa07ac9fffdf06e7dac2d6801b500fdd0d78aa530f800efd
PDF
Publication page5df2edcdc4c690d47aaa1380852d6c0e6cead369136ed7e5792b2193b2a28e57
Manifestd5e8592737bf2541148562aafdea4045c724a82985801429493099fcdd1d00b1

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
Signaturexq1AJK9zYO9MUNmuJ1axrz1OipeOqkzIHMDVBtzqoOyjXR1OuYVv5z3swgBxsGVLFipTbiFLOhyxxsIgYbtOBQ==
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

2026-09-17T10:57:48.594795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052234
observed 5df2edcdc4c690d47aaa1380852d6c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.577904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052234/manifest.json
observed d5e8592737bf2541148562aafdea4045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.559806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052234/publication.md
observed 3d6257ef7db49e06fa07ac9fffdf06e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.542947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052234/publication.txt
observed c91d9cb1be20754e7b5f8a24f23ddc62...
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.