OpenTechnical

OT-2026-000041638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down

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-2026-000041638) never changes.

Identity and time

Publication numberOT-2026-000041638 · never reused
Internal UUID01a0ae79-e8a0-71e7-8efb-c0b88ec9ab44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041638
StatusPUBLIC

Content hashes

Canonical text4afac3f933807f3234097709d5e8c255c53897d2f130ff61fec40cf79f66ad40
Markdown76c5aec9822e93b29db6cbb266eac6cc56b58c930487547e162671b5aa66356c
PDF
Publication page0e0d285709187addb0c968ea1dcb26ec84e3e0533c4fafc0790a77c75cda7b34
Manifest1acfaa396978407769abfcea9f2b74d7f9afb59215d6f808f081804477f0c56b

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
SignaturezTFyONNrV9ZvSQSB91e2t4UfPRM+R1IykO8b3hQ7lP4D/J7a1p+PpXfpOJG25GZROpSUivQ6Kurs+E9Zl9/yAg==
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

2026-09-17T11:16:26.307908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041638
observed 0e0d285709187addb0c968ea1dcb26ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.287379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041638/manifest.json
observed 1acfaa396978407769abfcea9f2b74d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.270715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041638/publication.md
observed 76c5aec9822e93b29db6cbb266eac6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.252890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041638/publication.txt
observed 4afac3f933807f3234097709d5e8c255...
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.