OpenTechnical

OT-2026-000037211

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000037211) never changes.

Identity and time

Publication numberOT-2026-000037211 · never reused
Internal UUID01a0ae77-7741-7c55-9832-76b50154cfa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037211
StatusPUBLIC

Content hashes

Canonical text7b2da6d17704500fe2ec66526e0ad6b84ca50930fc684d5b31c3cf64f2e1cdae
Markdown0d255348016c860283ca65f742cb8744a4a384f25310daf05a92123a306b48db
PDF
Publication page50a3a7861bbd0e3b939448362feb4378c55ba2ae97a2cbe0458d1a72e4ef2cc5
Manifestbd5cb25d295bb42ffb84133999d44f5f917e46a4e4afb1d417d37483031a1e56

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
SignatureDyOgzqUHFu3nbDWu4v8yclcmTT4r2wIXtDFTv+QYO/NiWFj/Ne/tIFKz2OisoUPKmSDnLVMSaW9M8JYVrpWSAw==
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

2026-09-17T11:25:06.037151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037211
observed 50a3a7861bbd0e3b939448362feb4378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.021175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037211/manifest.json
observed bd5cb25d295bb42ffb84133999d44f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.004542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037211/publication.md
observed 0d255348016c860283ca65f742cb8744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.989924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037211/publication.txt
observed 7b2da6d17704500fe2ec66526e0ad6b8...
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.