OpenTechnical

OT-2026-000026733

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000026733) never changes.

Identity and time

Publication numberOT-2026-000026733 · never reused
Internal UUID01a0ae71-f4ab-75e0-9430-003bb0e913e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026733
StatusPUBLIC

Content hashes

Canonical textb2ee0526aa3f3472b911a2aa118d89a337555e4efc6ef5919d4fbae775acab5f
Markdown53c449854be7016a5d2f22ee03b92300deab11706513b2dd33f476b850539bbb
PDF
Publication pagef518bca51999ddc69697bc255e37a0c5466e6e35b02cae37723c3e476ba20485
Manifestee82300f9bcd60e2c44360948ad862efa2494e8c590b1e48c31f88b2f80a7e60

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
SignaturezVZOsPeXFkVhh4tCOukDo2aYkSFaSySqWDNvSx8OgQLvgGQDq/fv0xnYhg8f/Q8ptpR/8OBEh910iyJc5jeVCg==
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

2026-09-17T11:45:54.969356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026733
observed f518bca51999ddc69697bc255e37a0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.950486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026733/manifest.json
observed ee82300f9bcd60e2c44360948ad862ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.926180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026733/publication.md
observed 53c449854be7016a5d2f22ee03b92300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.906872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026733/publication.txt
observed b2ee0526aa3f3472b911a2aa118d89a3...
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.