OpenTechnical

OT-2026-000052222

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-2026-000052222) never changes.

Identity and time

Publication numberOT-2026-000052222 · never reused
Internal UUID01a0ae83-e790-7419-8801-099f25a0baca · 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-2026-000052222
StatusPUBLIC

Content hashes

Canonical text6676f477b4aa20cab0e169d96bb706353947a5bb0cba55803844a4a02ab1fbc1
Markdown7a38e3a017ee54c514bb9d983b5d1561b298451c198e1e32c5d0cf1a7ed38dd2
PDF
Publication page62309cdbfe2627d75a5bdae6ba8ec3b611af47105c85dff7c2415cd7962a24bd
Manifestcc7b3457f9eb16afdb5b939cfe7ce1360f4f7fc98aad6b7824b92643874c9755

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
Signaturev0RNRxN0qiNZPl/gC40+hVTXwrZtfXEzCtx0mkZLMLh9Umlchwqkc8/mMYc7TY3EkwzSh3MeUp05j1YzPV7BDg==
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

2026-09-17T10:57:47.666047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052222
observed 62309cdbfe2627d75a5bdae6ba8ec3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.647139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052222/manifest.json
observed cc7b3457f9eb16afdb5b939cfe7ce136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.628954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052222/publication.md
observed 7a38e3a017ee54c514bb9d983b5d1561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:47.609332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052222/publication.txt
observed 6676f477b4aa20cab0e169d96bb70635...
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.