OpenTechnical

OT-2026-000086871

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000086871) never changes.

Identity and time

Publication numberOT-2026-000086871 · never reused
Internal UUID01a0ae9a-80a4-7009-a16c-f0de0d8412ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086871
StatusPUBLIC

Content hashes

Canonical text7bcbbd9cd37934e319e83261a4eaa8ce03aacc26388d20a18a17732fdbe89479
Markdowncd814bf611ffb0c1a05a2833da7a79c87a2e9314f6651d53058c2a557c539758
PDF
Publication page7b32add1d50c1861162d73ecfc101f868435b4fc9f1532644ba2043fb85a87dd
Manifestdb93c22e5a5dc8e98d8db1e268c93efc4a8f0946ba48c2c77fc16a7e74d567c1

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
Signaturep+cjg61y9u3ZpgRumk/yusLNIR3gBl7gjox1vtVOmB0QDLI7R4uc+nR29OwduoMsW+WbswwV7QZkA0nX1RlNCw==
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

2026-09-17T09:51:42.889360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086871
observed 7b32add1d50c1861162d73ecfc101f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.871667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086871/manifest.json
observed db93c22e5a5dc8e98d8db1e268c93efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.852748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086871/publication.md
observed cd814bf611ffb0c1a05a2833da7a79c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.827942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086871/publication.txt
observed 7bcbbd9cd37934e319e83261a4eaa8ce...
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.