OpenTechnical

OT-2026-000033457

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033457) never changes.

Identity and time

Publication numberOT-2026-000033457 · never reused
Internal UUID01a0ae75-a38d-71db-9cfb-397fe2687b61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033457
StatusPUBLIC

Content hashes

Canonical texteb0118726a365d41f5debc84a546e6a02fa7a2812a0345235286ed2301330e17
Markdown0cff6b4cf4592be76f85c1b25fc2d94d86e7eef99b8b51fbbaddc0fec7f6f09b
PDF
Publication pagea8464d443cf5dbf2af78514396307ac0e62f94d85dbdf7c1bd0a5f68117c2467
Manifest577f85aab372cf734484a1d385795ffafc1e8593f70d0a7a0641fe9ca292deb7

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
SignaturePu9g33LVMtPAWnO1ogJrfDAlLc8lp/aMDe4tQaPlYLCMnjBOsmFrqeaxmlnwGF44XEBnkbeji8CIBL2VTgQaDw==
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

2026-09-17T11:31:17.623928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033457
observed a8464d443cf5dbf2af78514396307ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.604962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033457/manifest.json
observed 577f85aab372cf734484a1d385795ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.589165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033457/publication.md
observed 0cff6b4cf4592be76f85c1b25fc2d94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.571050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033457/publication.txt
observed eb0118726a365d41f5debc84a546e6a0...
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.