OpenTechnical

OT-2026-000055209

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000055209) never changes.

Identity and time

Publication numberOT-2026-000055209 · never reused
Internal UUID01a0ae86-a0fe-79bb-897d-7963cdaa8b7b · 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-2026-000055209
StatusPUBLIC

Content hashes

Canonical text27078d03efb82b26bb3ba1f26c79955c3f857b0d1a794c9924b4e196a24652a0
Markdownc4a18997d0dc6321a90dbdb734a249d4a02cd3a488626c340828eaa597edcc7e
PDF
Publication page51c6944ab4116445155f473850b074ccc48a05f522511433df09f24fe3c9edb4
Manifest1a0c807c4a6fba6ca7f171f64cedaaed67eb4a24ed97305366aa72bd31f18cdf

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
SignatureCfyDEdfJi4mzecyvs5kMFVyQ4hpBVYjhMLsbONQkyZZnafpP5qbbrE/mW0aS6oilKXlLM7Tel5jmuUg8tkPvDw==
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

2026-09-17T10:51:47.132995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055209
observed 51c6944ab4116445155f473850b074cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.116128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055209/manifest.json
observed 1a0c807c4a6fba6ca7f171f64cedaaed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.097777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055209/publication.md
observed c4a18997d0dc6321a90dbdb734a249d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.079955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055209/publication.txt
observed 27078d03efb82b26bb3ba1f26c79955c...
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.