OpenTechnical

OT-2026-000056456

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000056456) never changes.

Identity and time

Publication numberOT-2026-000056456 · never reused
Internal UUID01a0ae87-4bd2-763b-93da-bbc89f0e52c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056456
StatusPUBLIC

Content hashes

Canonical text48bb92128ce13f40cc2e4605a378af49f80b32ef9b876f5697e5bbe77c890bc9
Markdownfd93f3a2a705195d227094d78d2c25040214039ea14203f34053d40d8f227107
PDF
Publication page80b32f63615cfc24422830078fa4b7eea09ace10f43a4f620b3ee8519493706d
Manifest3cba6c23b11fc4ae60a4e9d4f18b6ff7fbdfac413ded5c96a234f153d3cb26a1

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
SignatureXSomtZtEswXIolVGQq3R0b8i98vThp8L5SwIOacH21jmZMgVyiLZSw3NRyS4DWIIp8t5m6PSpgm+D4cZHDr1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:59.642438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056456
observed 80b32f63615cfc24422830078fa4b7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.624535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056456/manifest.json
observed 3cba6c23b11fc4ae60a4e9d4f18b6ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.608717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056456/publication.md
observed fd93f3a2a705195d227094d78d2c2504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.591793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056456/publication.txt
observed 48bb92128ce13f40cc2e4605a378af49...
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.