OpenTechnical

OT-2026-000079622

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000079622) never changes.

Identity and time

Publication numberOT-2026-000079622 · never reused
Internal UUID01a0ae96-0b92-7ad5-b1e6-60e8102673f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079622
StatusPUBLIC

Content hashes

Canonical text0238c26220b1beb842a58252ce0ef66ea1bfa2784d89c9f6e98bd909877fcc53
Markdown0cca58101e486a5b09705088311aeb36be42c6d86b30d148817b758ea941c89d
PDF
Publication page67f9fd29e44ef25702cc1d4489a7689fcb0fc538aa9372b78b524bf30288504e
Manifest1e51f651e675089c1f268dff888288fb1ab0031149b1fda6c5eacf5d0a63f464

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
Signature2hl0NQe1Ow8u8dS/6vVYv3BrvOYOcLQlMO8hKoLnGdhniAClHZhZor6gpE13nbGwe1EgkKf9EHt0Jh/fTBzHDA==
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

2026-09-17T10:05:17.179859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079622
observed 67f9fd29e44ef25702cc1d4489a7689f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.161775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079622/manifest.json
observed 1e51f651e675089c1f268dff888288fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.140857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079622/publication.md
observed 0cca58101e486a5b09705088311aeb36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.123457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079622/publication.txt
observed 0238c26220b1beb842a58252ce0ef66e...
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.