OpenTechnical

OT-2026-000055225

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000055225) never changes.

Identity and time

Publication numberOT-2026-000055225 · never reused
Internal UUID01a0ae86-a0ff-7607-a76d-bd5cbc7b7d76 · 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-2026-000055225
StatusPUBLIC

Content hashes

Canonical text851adfb438329d7a2f6ff79ad91375e672c29853a4e6a1415cc3c0cc348a1f57
Markdown5343fd41538446239955333bd3f986610eb6cb1df2610b4872b170dd6e7af0a5
PDF
Publication pageec173831911fb192f3874334dc81d553ce2e6d110e1c0f8a98cb4c0f8249df70
Manifestd697b8610f645046a8c7f26c236e5fc18e27faeee556a1475372aea7db735308

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
SignatureleEIE5GMTFL2Qwdk5kLIxTIavUYKmGuzBuk9hEwK328/ATRN50SEUKDalj90WhPeS3Tq2bZ4FXnLahIzX+ncCg==
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

2026-09-17T10:51:48.284344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055225
observed ec173831911fb192f3874334dc81d553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.267718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055225/manifest.json
observed d697b8610f645046a8c7f26c236e5fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.250726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055225/publication.md
observed 5343fd41538446239955333bd3f98661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.231836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055225/publication.txt
observed 851adfb438329d7a2f6ff79ad91375e6...
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.