OpenTechnical

OT-2026-000089483

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089483) never changes.

Identity and time

Publication numberOT-2026-000089483 · never reused
Internal UUID01a0ae9b-db02-7bc4-a5bd-a6a4389a6487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089483
StatusPUBLIC

Content hashes

Canonical textb5f5be68c3370e04c2e8609fea7911372c938a1090dc724d541b9fa19e5176f1
Markdown34e81fa0c3106b474f705511275aa9358a921422db8ae8872ed5ce7c3e1639b3
PDF
Publication page8ba2cad4326500f7cd2d974c10c705a10d8151d332198d3df6980c27b8d40736
Manifest92b59274f5755524b1f719cade32baaea58d81a8504c6ccd99d6bac95bf7ae00

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
SignatureIXetCDi4UL8ii5eSHojPPCeUSc0LYrbJTFi1iRT0SqovhPp0RCEub8y5xVw8sjE88CMsgr+qpEN5Cl5xlOCsAw==
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

2026-09-17T09:47:38.005426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089483
observed 8ba2cad4326500f7cd2d974c10c705a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.988081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089483/manifest.json
observed 92b59274f5755524b1f719cade32baae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.969762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089483/publication.md
observed 34e81fa0c3106b474f705511275aa935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.951730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089483/publication.txt
observed b5f5be68c3370e04c2e8609fea791137...
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.