OpenTechnical

OT-2026-000089371

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000089371) never changes.

Identity and time

Publication numberOT-2026-000089371 · never reused
Internal UUID01a0ae9b-db01-7bb0-869e-3a95cc38db41 · 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-2026-000089371
StatusPUBLIC

Content hashes

Canonical text5a253c2f6a4f36e33acd014290e5cdfd8521fbb2ebc3adb0c2f48310ad08e221
Markdownabf5c31b2d72a6d541a9317cf7ea39dc64e03ec39ac186471bb461c9acd333aa
PDF
Publication page2fea2854a40a725a45380bebeae3b160682ccaafc56cbe08b672c2c0d5063991
Manifest74d17347c7061b60fe0ce81126451f96ddf6b0ea28b45cf78127f22600455de6

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
SignatureA6cFQd9mwBRNphoRQp4+paUf9CkMDDBr/76mGS30p/yI0JMIvJUmAiqQ1GDMzR8f3ltSap0Iq5M/68XJZPmKAg==
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

2026-09-17T09:47:30.383007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089371
observed 2fea2854a40a725a45380bebeae3b160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.364931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089371/manifest.json
observed 74d17347c7061b60fe0ce81126451f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.345678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089371/publication.md
observed abf5c31b2d72a6d541a9317cf7ea39dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.327344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089371/publication.txt
observed 5a253c2f6a4f36e33acd014290e5cdfd...
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.