OpenTechnical

OT-2026-000071933

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071933) never changes.

Identity and time

Publication numberOT-2026-000071933 · never reused
Internal UUID01a0ae92-47c0-7328-88aa-452765eedab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071933
StatusPUBLIC

Content hashes

Canonical text8e9197fa12a4f170e3c0f181e129578cc8c810ca8cc874259aaa08048ad4fb25
Markdown89975a4dad3b4599b92274ce7599be5e23aac4396bfd9b879c8c175c02d8f959
PDF
Publication page065bbeeacb94f813a5f48ca3ede385f9d95ddb6180e9d9378f9427b0b5728f3a
Manifest4525c69a679ee19ec2dc2f7d3d28dc3991b5da24b91c50c3a589779f1c3bce42

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
Signature6Ig5AaMZTwnJMDL7naWpehfVnHhmFYlFCLgEwweel+DyhGuoGP4U4UcYwDhzWUsMnA2/UdRd88YtxHiH8zaTAw==
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

2026-09-17T10:22:57.858799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071933
observed 065bbeeacb94f813a5f48ca3ede385f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.841746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071933/manifest.json
observed 4525c69a679ee19ec2dc2f7d3d28dc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.824590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071933/publication.md
observed 89975a4dad3b4599b92274ce7599be5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.805948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071933/publication.txt
observed 8e9197fa12a4f170e3c0f181e129578c...
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.