OpenTechnical

OT-2026-000023053

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000023053) never changes.

Identity and time

Publication numberOT-2026-000023053 · never reused
Internal UUID01a0ae70-46ec-7a7a-8b51-cc59677d410e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023053
StatusPUBLIC

Content hashes

Canonical text50a325d863ff2183ca1f98f7327756b67aa173e0dac3369fab11ae5d4afb66b3
Markdowndf74e3f95954f49d16785cbfe4215014c0f1f35d2e98ef8bba4acd64ad21569b
PDF
Publication page16fb329e2efc4e64d52d9c987f93d4044a5eb2bf77d33a9aaee865b96943e000
Manifest808b8da513b9bcdb40ec5656a209f25df4537a1661061223745d8335f9b33382

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
Signaturegd9TyAzAK7VTehhKjfwoZLht0x2VdwDqTJp3VXy8Hg/q5qjq27HCtXWCKBSQU4R2GiPJX0nZzavl8E5XZcowCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:39.614700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023053
observed 16fb329e2efc4e64d52d9c987f93d404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.598348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023053/manifest.json
observed 808b8da513b9bcdb40ec5656a209f25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.579951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023053/publication.md
observed df74e3f95954f49d16785cbfe4215014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.561675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023053/publication.txt
observed 50a325d863ff2183ca1f98f7327756b6...
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.