OpenTechnical

OT-2026-000027072

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000027072) never changes.

Identity and time

Publication numberOT-2026-000027072 · never reused
Internal UUID01a0ae72-3453-7251-bae5-e8f2f3a468bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027072
StatusPUBLIC

Content hashes

Canonical textcb364cddd56d636bcbff66d3539a92ef0656e5b976c1ab665c777cae0b9840cd
Markdown7997f8ff0f8cec596216a6bc1a40ea8d978429fbbb319ceeea8769aa755fe358
PDF
Publication page282c8ff892c3ab26ab58498102ba2368d5d89d3df9b29334c32d7d1034f86387
Manifest4ca84a6b7d6f5945b08aee264866cb05cd6a71f6fd2e27944939a8f6ce8e9329

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
SignatureUli8wbwSnuAKIcZwZFAU0guuTTsSskRN32miEI6Qt2YY4NQk8iRq/W97TYnU8ADITQlFXRq0ubM1MZCCUgNUBQ==
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

2026-09-17T11:43:50.103395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027072
observed 282c8ff892c3ab26ab58498102ba2368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.087843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027072/manifest.json
observed 4ca84a6b7d6f5945b08aee264866cb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.071673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027072/publication.md
observed 7997f8ff0f8cec596216a6bc1a40ea8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.056081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027072/publication.txt
observed cb364cddd56d636bcbff66d3539a92ef...
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.