OpenTechnical

OT-2026-000008683

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000008683) never changes.

Identity and time

Publication numberOT-2026-000008683 · never reused
Internal UUID01a0ae6a-e46b-7e99-a3de-33dc82397d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008683
StatusPUBLIC

Content hashes

Canonical text4a85bcc77d9bc7e0f6302cdf136bb082e365c7afcaf7d40e5dfe68d2bbc4b7e5
Markdownade890cf016461aad2858a92033d40673c0f83081cb4824869c4b6f0bdd6f467
PDF
Publication page348ca585186604314c8efebc7a2c219ab1e52fbbd32b4af7638b165dbce6a72f
Manifest3922b0386c9fca521edfe8bf619c9c3506e1dc7e5fe5f1455fa3a4b7eeed6092

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
SignatureUjjr7p6Os+NOKj31Cdrru1FKLvc5oUBlsIOQs7TwyIKvzounz6V0XZeUQfYW1hBqBLep8LV25RijV36uNOavDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:40.051446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008683
observed 348ca585186604314c8efebc7a2c219a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:40.031124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008683/manifest.json
observed 3922b0386c9fca521edfe8bf619c9c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:40.011145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008683/publication.md
observed ade890cf016461aad2858a92033d4067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.991543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008683/publication.txt
observed 4a85bcc77d9bc7e0f6302cdf136bb082...
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.