OpenTechnical

OT-2026-000055257

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before 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-2026-000055257) never changes.

Identity and time

Publication numberOT-2026-000055257 · never reused
Internal UUID01a0ae86-a0ff-739b-86ea-f1a69af24d7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055257
StatusPUBLIC

Content hashes

Canonical text701ad118d0909b375527c0d80b5396f19494847c68f07d27fffda1f72f846cca
Markdown94fd2122c370f7a269a415d35a77521279de41ec74ebb8aaaae32ed10c276b96
PDF
Publication page42b31d70afd01e9f073f9c7ac17cbd93237ee32810d83c4ee848aa7586517fdd
Manifest99c7e1ba0576046717711531ff70d29248fca0c865e9e5f8d1af8aa3991e1816

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
SignaturerPuoLL3WXlBPorVh2UclWXRKM9MKI0SWgcOuxFiX8TthSDZBgOY/t3Np3UfVQMpV9gQfLNIiWsPruTYGEeZzCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:50.729795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055257
observed 42b31d70afd01e9f073f9c7ac17cbd93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.710728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055257/manifest.json
observed 99c7e1ba0576046717711531ff70d292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.693660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055257/publication.md
observed 94fd2122c370f7a269a415d35a775212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.676372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055257/publication.txt
observed 701ad118d0909b375527c0d80b5396f1...
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.