OpenTechnical

OT-2026-000053006

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000053006) never changes.

Identity and time

Publication numberOT-2026-000053006 · never reused
Internal UUID01a0ae84-a430-7ed1-bdd2-151285251cbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053006
StatusPUBLIC

Content hashes

Canonical textbdfe3ea3a024c7d6f653437735bc167dc30f55e7da288f112f7443c8c2d3be59
Markdownc8638009035fa996942be4a46906da6ff00a96a436453c2c99cfc701bdfd433d
PDF
Publication page464649c6cc182be27d24515cd4e230312574921cf2bd2de137bfbb13210b602c
Manifestf1b8ce3c7c85b8c4700cb356cb584f66270f3b15168f2a4e39b1968c389e869e

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
SignatureGyKNIzmKgbpbRDagJUJXvST++kBOycpiwC8u9KKQeb1zur9cVdEtrMNZtBo99uYdC1SXrl1MJZQYxnvj15wpCA==
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

2026-09-17T10:56:42.199693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053006
observed 464649c6cc182be27d24515cd4e23031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.181792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053006/manifest.json
observed f1b8ce3c7c85b8c4700cb356cb584f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.164498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053006/publication.md
observed c8638009035fa996942be4a46906da6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.146940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053006/publication.txt
observed bdfe3ea3a024c7d6f653437735bc167d...
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.