OpenTechnical

OT-2026-000077656

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000077656) never changes.

Identity and time

Publication numberOT-2026-000077656 · never reused
Internal UUID01a0ae95-2ecf-703e-9ef9-e11deba5d58d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077656
StatusPUBLIC

Content hashes

Canonical text87c5fdfbe83a488136b33c2a35e168eecf64efc27910486cc5b5450ef2e135d3
Markdownd9a29951887411dc8b1c3a3767dab592d74cab345c4018e9572e945f71eb4134
PDF
Publication pagefa8325bcca26720fda184aeda2bc8da97a580baeb4986d11e2ecc56b4ff16cf2
Manifest4fb016a116f6b1d8494980d00eb0b9fbca909b3b7de344f41a65722b72625ce9

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
SignatureBhryGOYc37cY74dEDNa0NvmayOY7NlwCqjaU9CVgzl3/mFpXsXyeYgAWt4Dhie3D2afSPFCS3qZqbs6JRsR2Bw==
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

2026-09-17T10:07:13.398734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077656
observed fa8325bcca26720fda184aeda2bc8da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.379356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077656/manifest.json
observed 4fb016a116f6b1d8494980d00eb0b9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.362467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077656/publication.md
observed d9a29951887411dc8b1c3a3767dab592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.345882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077656/publication.txt
observed 87c5fdfbe83a488136b33c2a35e168ee...
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.