OpenTechnical

OT-2026-000042810

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000042810) never changes.

Identity and time

Publication numberOT-2026-000042810 · never reused
Internal UUID01a0ae7a-c0d0-72de-83fb-63bfc68e2775 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042810
StatusPUBLIC

Content hashes

Canonical textbaf654b2c1a59c88289ad7479428b2a73ff57d6afa0efe4c12c2cb36ca34767a
Markdown3ce56ce3bb2a3922e7c68fe33e0de31bc23311e0e038025674e2f4634511eced
PDF
Publication page666ad3a1483e4e9f43b75c08bb0667c923992d17bb03b3345afbd1bad26366a2
Manifestab669a633f3b4abe1f51ea521ed293ba6d928c90b235b08220f71fb3ac79d856

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
SignatureQKa7r8qMBhKj2NIPZI+KClTfyvluFUEX5mzAmrGyOwESdOhWwniQZuGBrbxgAbOeZTidJpq7RhvJdnb+LlKCDA==
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

2026-09-17T11:15:17.138191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042810
observed 666ad3a1483e4e9f43b75c08bb0667c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.118277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042810/manifest.json
observed ab669a633f3b4abe1f51ea521ed293ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.099957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042810/publication.md
observed 3ce56ce3bb2a3922e7c68fe33e0de31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.078858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042810/publication.txt
observed baf654b2c1a59c88289ad7479428b2a7...
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.