OpenTechnical

OT-2026-000049712

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000049712) never changes.

Identity and time

Publication numberOT-2026-000049712 · never reused
Internal UUID01a0ae81-8fee-717a-9db5-7fce0b1a126a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049712
StatusPUBLIC

Content hashes

Canonical textdc64bcff85cc771ecc75bb9404f3fb53b41599c16242fc16aae58910dbd2349e
Markdown03ff4ae4f60c906d9767492bc7a294d4675d8aafc7e56116b357f1c1eca5aeb7
PDF
Publication page0904eefad4eb3af23952b163f2683b8be8213050c17ba6cc922f8248132b2b49
Manifest1a9a42b6fefaebe118cf56760322bb7ad2f07c77eb484473a175241cdb0be69e

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
Signature6W0d6uyKAqKfsgcLLjU9ej/C4sHevOmxUua7txdD75lnoEZGy+r5VQuFxwIWCG998SNcAC2FLGh5lPdqHZw8AQ==
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

2026-09-17T11:02:43.762986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049712
observed 0904eefad4eb3af23952b163f2683b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.744985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049712/manifest.json
observed 1a9a42b6fefaebe118cf56760322bb7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.725647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049712/publication.md
observed 03ff4ae4f60c906d9767492bc7a294d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.707564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049712/publication.txt
observed dc64bcff85cc771ecc75bb9404f3fb53...
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.