OpenTechnical

OT-2026-000048153

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000048153) never changes.

Identity and time

Publication numberOT-2026-000048153 · never reused
Internal UUID01a0ae80-4de2-76d7-8c84-da1431b67cf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048153
StatusPUBLIC

Content hashes

Canonical text36f52e70b0a68bb5a8fa2ec31c7501cc5291b5efec72d5374102a08356264e0b
Markdown33bc5c580f69a5e1fed35420196133d5098937409e10a2a76de850ad05fe5832
PDF
Publication page77fab2be1c8c85f4fe903ce4ef3647ad235c8624ab85278f78dd171ff5e292cc
Manifest1dc16ef78f16720c84d3993f483df12d1fefaa143de7c179c10256a5c63a851c

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
SignatureYIoSIeb8EAJvsX45g+0EDyUTmvviJzjTFDeZWJ4zukgzawIl9sPEdKsXHduSiv78Rf5uiwzaJu7lTU3qjRZJBg==
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

2026-09-17T11:04:40.789027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048153
observed 77fab2be1c8c85f4fe903ce4ef3647ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.771056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048153/manifest.json
observed 1dc16ef78f16720c84d3993f483df12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.752850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048153/publication.md
observed 33bc5c580f69a5e1fed35420196133d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.735154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048153/publication.txt
observed 36f52e70b0a68bb5a8fa2ec31c7501cc...
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.