OpenTechnical

OT-2026-000052266

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000052266) never changes.

Identity and time

Publication numberOT-2026-000052266 · never reused
Internal UUID01a0ae83-e791-7d4b-ab43-49b9968fee1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052266
StatusPUBLIC

Content hashes

Canonical text5e6e4d8b0af4a1a0fd01ea55eaf60db173dcda8b69d22839d475f0c417ab69c3
Markdownb69ea49d6ce79c7f33b4b465d328a19ddc74babae7a60c89188985bfa4ff524e
PDF
Publication pagefc3fb01c1d063f4a79d91259c4b7d135ff68b145de29e9807ce8e5df6f6b71be
Manifestaf690c01e1ac611e54e9830cd1add660a518caa112cb4f252afcf5f2985fb577

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
SignaturekZvYUqUpLLLgTJ7tQVWEHzTAaFckwBVjCYTBDwDTpUGfi+DpFwAZHiN+BkQxDtF9WbCSEs3yUrXFgB8LaxQeAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:51.159138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052266
observed fc3fb01c1d063f4a79d91259c4b7d135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.141398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052266/manifest.json
observed af690c01e1ac611e54e9830cd1add660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.122787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052266/publication.md
observed b69ea49d6ce79c7f33b4b465d328a19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.104222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052266/publication.txt
observed 5e6e4d8b0af4a1a0fd01ea55eaf60db1...
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.