OpenTechnical

OT-2026-000005493

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, six outlet manifold, three stage ejector, pressure verified

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-2026-000005493) never changes.

Identity and time

Publication numberOT-2026-000005493 · never reused
Internal UUID01a0a93a-be4b-7ab1-8c90-d6a8f62d16dc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:54.445904Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005493
StatusPUBLIC

Content hashes

Canonical text2601102328d48498f6e04319d176bf24e016b022df4fc2c4f4784cae2028b3ed
Markdownfc9c438774df335048ebcc8c0e6f8d35150a1e746e0ade6e64e4f2ca908a03dd
PDF
Publication page1c00501ee01de97365dd589a2743076ba132dd6de9cf7bf4ad2da9225330a710
Manifestdd326123bb3f8312dc4f8ac586b79caf38f075213e9a5ebd4d782dda03985e68

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
Signature5UG5fyQeesQE15Q6X5y8LFq7whtxM/wWCucGPTn7kMY/IsI1K5ZGc7r78M5yv1ceGhFNOPbIkf80KFh0AzB2DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:02.732738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005493
observed 1c00501ee01de97365dd589a2743076b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:02.719714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005493/manifest.json
observed dd326123bb3f8312dc4f8ac586b79caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:02.704390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005493/publication.md
observed fc9c438774df335048ebcc8c0e6f8d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:02.689372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005493/publication.txt
observed 2601102328d48498f6e04319d176bf24...
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.