OpenTechnical

OT-2026-000008720

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000008720) never changes.

Identity and time

Publication numberOT-2026-000008720 · never reused
Internal UUID01a0ae6a-e46c-7f30-8120-b61d832054dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008720
StatusPUBLIC

Content hashes

Canonical text126ebf5c8e99e9626bb732fd029dd35a02d407276047f2a57fb6eacc394d04db
Markdown73b00caf8d75be2f6a323a2f448b10516bb1d29e2225a3a886dc05f142f0ecc5
PDF
Publication pageeae2bba95f4a90183a90bfdb38148da4a34c6d1ae21a2b83adbffb17927c8de7
Manifest6b115203e5249b1d7c710b057b4fa0dcbbce8e87509958ca780aad99610f874a

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
SignaturecvMetCNdIt7qfYEJuL2G5cfHF7AXYGJmVmwuOdOB4Ds5Z3SAsmcX4pRu2Lnigv07Y+zxmtHd8YpOSe+5MuDkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:48.038179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008720
observed eae2bba95f4a90183a90bfdb38148da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.008801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008720/manifest.json
observed 6b115203e5249b1d7c710b057b4fa0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.986895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008720/publication.md
observed 73b00caf8d75be2f6a323a2f448b1051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.963521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008720/publication.txt
observed 126ebf5c8e99e9626bb732fd029dd35a...
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.