OpenTechnical

OT-2026-000070422

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000070422) never changes.

Identity and time

Publication numberOT-2026-000070422 · never reused
Internal UUID01a0ae91-545f-79ca-854c-864bd544765a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070422
StatusPUBLIC

Content hashes

Canonical text4b8a9c3bc2ea130f979958abf12c35816fc906751709a35ca2a68b731a567c94
Markdown6fac1ac7b2cd4e1f97f760170db972c66cbd1c5031553025b744189be7130e9a
PDF
Publication page01965c8e945ecbb4ec834d2d1d80f0ad9066a489555a225c493a1146a0f66ad8
Manifest8af9dc7e5c25787e127fa071189592c0ef8484f3f73e56dcd01f2292d77a3879

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
Signature0x/cVaY/7oLkS9/iFv6mTCJ07jBygd7+KYGIHXYikfIOyxnqvWJZdyREIJj9HbY80+R+ZGK56hXwiwmtVRm2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:14.168110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070422
observed 01965c8e945ecbb4ec834d2d1d80f0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.149541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070422/manifest.json
observed 8af9dc7e5c25787e127fa071189592c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.132481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070422/publication.md
observed 6fac1ac7b2cd4e1f97f760170db972c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.113797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070422/publication.txt
observed 4b8a9c3bc2ea130f979958abf12c3581...
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.