OpenTechnical

OT-2026-000050302

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000050302) never changes.

Identity and time

Publication numberOT-2026-000050302 · never reused
Internal UUID01a0ae82-5c47-79dd-a5d3-9f308a7594e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050302
StatusPUBLIC

Content hashes

Canonical textd9a4ce5d449f182cc81cbcd4968391b512b9a6a11c1605457f4fa51640556b66
Markdown68688fac1bf8d65be16f7734199c0378ec771da4b56b8109d38a406aa5eebe74
PDF
Publication page0ca54e149a966f17bf44088aba406fff7d422383967e5f7430ce21a85e692d14
Manifest1d456d547685e2989e847c9a28cd2ef92ff9ecd23105a16431272c0e99260027

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
SignatureJNxuhoRcJAK3z+9WQMSanxRzfd7pJdcVyfUMz+moVQVFKm3yJNBW7DOKhnsAJ0JgeNdGVcmqeBzD7q8E1V5JCw==
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

2026-09-17T11:01:18.612000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050302
observed 0ca54e149a966f17bf44088aba406fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.597032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050302/manifest.json
observed 1d456d547685e2989e847c9a28cd2ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.581383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050302/publication.md
observed 68688fac1bf8d65be16f7734199c0378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.566267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050302/publication.txt
observed d9a4ce5d449f182cc81cbcd4968391b5...
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.