OpenTechnical

OT-2026-000083565

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000083565) never changes.

Identity and time

Publication numberOT-2026-000083565 · never reused
Internal UUID01a0ae98-0415-757a-86bd-e3a8e32dd948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083565
StatusPUBLIC

Content hashes

Canonical textc692ef41627ffb8e0d6c8cfcaf0838db6a4a1b996147c7a95d154763c5971d7b
Markdown01fd4c837843afbc1e20ba2bbded961851e997b4841a5227e2f6e786f313206e
PDF
Publication page70b628f36c6f33eef0e20f2c4560a55f9faf85db3ca2cf51b343a580ea8ca884
Manifest16363f441bad05516bd0ceef683d0fe63d6a05b0aa7018f24f16a489b15144c1

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
Signature04/dopfg0BsgCiteLtbsKPfpFJrdHg7CtxB6HV8yZiJGQJFVx6kT5sE05hUtWtSAeLzJdB4zN8ZO7yJ10ZCwDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:03.168683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083565
observed 70b628f36c6f33eef0e20f2c4560a55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.152799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083565/manifest.json
observed 16363f441bad05516bd0ceef683d0fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.137224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083565/publication.md
observed 01fd4c837843afbc1e20ba2bbded9618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.120722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083565/publication.txt
observed c692ef41627ffb8e0d6c8cfcaf0838db...
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.