OpenTechnical

OT-2026-000038108

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000038108) never changes.

Identity and time

Publication numberOT-2026-000038108 · never reused
Internal UUID01a0ae77-f88b-74ed-9e39-0baee858fd42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038108
StatusPUBLIC

Content hashes

Canonical text3759949b65c3471f75d7f5cc7d2bd7087bea261ab1a5ce2ecd3ccf5c51e1b8be
Markdownb59d36b1a002c6276046032569cf43445dc800dea65fca60bc1e46b0cdbd20a4
PDF
Publication page6c2203b77544d1586cd456998eca5d639621534ec37a3c032eeb3320c8d2b66b
Manifest1adb8a9c37170817969b5d55eb4beab99f01a0b40bd3555eaf13577b093b585c

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
SignatureLnjWyVNK7u5kPKBZ5OWG5S3WkAnWmyKYC4x8QJ2IUwduMplJZpnw9Y/+wUJ8uymtVdeZHJAALRilx3dsvbraBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:23:26.739038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038108
observed 6c2203b77544d1586cd456998eca5d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:26.719426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038108/manifest.json
observed 1adb8a9c37170817969b5d55eb4beab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:26.699024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038108/publication.md
observed b59d36b1a002c6276046032569cf4344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:26.680381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038108/publication.txt
observed 3759949b65c3471f75d7f5cc7d2bd708...
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.