OpenTechnical

OT-2026-000046550

Publication integrity record

Foam pad 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-2026-000046550) never changes.

Identity and time

Publication numberOT-2026-000046550 · never reused
Internal UUID01a0ae7e-57dd-7e77-a520-2c1c2d4c0a79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046550
StatusPUBLIC

Content hashes

Canonical textbfdd8b2c053b61e346013b20ab82d4fc29ff5eee9a21bbbd20f4bf3798b19cc1
Markdowne630816d552f53e813ad90fe87a8c4bff0ed89ee10b5e24b4d604b103e51b8aa
PDF
Publication page8d891734c5a2fc86cb4e767834815813e7c822beb1ff0d3f7c661c83f0763ce3
Manifest78493ba1bc0d202d0ee11609f2326c922b76b78acbdac06ba1aa7e4c1b3f8942

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
SignatureSX6k71XvBomV4aRhmJtWJ7ym8LOkL9rfCTptKJ5eH99ghlRsR/SMTpwTMegh5YfQJBFGGBksRqfR8qQbQBqyAg==
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

2026-09-17T11:08:36.530933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046550
observed 8d891734c5a2fc86cb4e767834815813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.513405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046550/manifest.json
observed 78493ba1bc0d202d0ee11609f2326c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.495593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046550/publication.md
observed e630816d552f53e813ad90fe87a8c4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.477686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046550/publication.txt
observed bfdd8b2c053b61e346013b20ab82d4fc...
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.