OpenTechnical

OT-2026-000069166

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000069166) never changes.

Identity and time

Publication numberOT-2026-000069166 · never reused
Internal UUID01a0ae90-6dcf-7f38-9fb4-923b09ae31ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069166
StatusPUBLIC

Content hashes

Canonical text7c1b94ab355a4c1fe16b464a5d0c57b8734374357d47cde71ca69ce9514b36e2
Markdown561ad6f90ffab9cab666098d1c0765f3cc4c268bce90d5262b834db33bc8499e
PDF
Publication page54c2ca205f4472459b4720ef98c920314fa1c01bdb7416b3ed66bb6d64d9d860
Manifest2b59b47be7ae278148af8bf74bcae5eee0689c9f19bd988079ae4fd105958f02

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
SignatureYo5XmuZY7fVpPjmCUkpuNEGPW8Jjqniq8upVN0T6uZpK4qXf32BVBiJi69k9GcdeSseqRCxlb+DtJKB+So74Dw==
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

2026-09-17T10:29:03.267790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069166
observed 54c2ca205f4472459b4720ef98c92031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.253276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069166/manifest.json
observed 2b59b47be7ae278148af8bf74bcae5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.237374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069166/publication.md
observed 561ad6f90ffab9cab666098d1c0765f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.221458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069166/publication.txt
observed 7c1b94ab355a4c1fe16b464a5d0c57b8...
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.