OpenTechnical

OT-2026-000005049

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, four outlet manifold, ejector fed, contact triggered

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-2026-000005049) never changes.

Identity and time

Publication numberOT-2026-000005049 · never reused
Internal UUID01a0a92c-3970-710e-bbbe-c4cf9fc6d3f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:02.931820Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005049
StatusPUBLIC

Content hashes

Canonical text48bb5253c427c43c0cd607eb4390b580036ca94d2294f2b18ce40c5d8f8db007
Markdown8a911ded789c5ddc13257bbcbee6f697ce959959bb7a54c2726ac88f507af7bc
PDF
Publication pagee6b86ebf4582ee1a132b808510139195427f14047c56ddb3498d09d59508c8c4
Manifest971c68fb7d4d9978fb6e363ad4eff76b252982bc4a37bbc90e8597bf6f4306d0

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
SignaturesYsJJoXx9zo4zJzHjVSU5lueTxoWA37jifUZmeL2pRM/SRW4nicl9Szc3mLZHFpkBb8MfTUBEuFB1j0Txsj2DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:20.992864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005049
observed e6b86ebf4582ee1a132b808510139195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.979199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005049/manifest.json
observed 971c68fb7d4d9978fb6e363ad4eff76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.963605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005049/publication.md
observed 8a911ded789c5ddc13257bbcbee6f697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.949231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005049/publication.txt
observed 48bb5253c427c43c0cd607eb4390b580...
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.