OpenTechnical

OT-2026-000089695

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000089695) never changes.

Identity and time

Publication numberOT-2026-000089695 · never reused
Internal UUID01a0ae9c-1a22-7feb-ae48-5f8b4fca2ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089695
StatusPUBLIC

Content hashes

Canonical text41a4ccfcd95892c39b21c9f5fad2602203e33fde351f6098576d09454fd210c7
Markdown73d542a5b8a0faa037f5d6bec55bbdccd0976bfab0e572ff91620e8c94f0e092
PDF
Publication paged571d151595149e016d43273e6897e0f97612cca704cfd26357f0d4aed06decb
Manifestc5d6f81ecb5cfc9b0744a5535dafa4c422b6dd74eed782f22bed5a304de179b9

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
SignatureLtzM05WT7bcWl50qGUAWxBUt6r67tPiDL7uRCjqrpBrJRuQlVdULAV+gXcM6lTSsGrVgE9+y0onx7qNyb9EXDQ==
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

2026-09-17T09:46:41.735519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089695
observed d571d151595149e016d43273e6897e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.717612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089695/manifest.json
observed c5d6f81ecb5cfc9b0744a5535dafa4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.697680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089695/publication.md
observed 73d542a5b8a0faa037f5d6bec55bbdcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.674795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089695/publication.txt
observed 41a4ccfcd95892c39b21c9f5fad26022...
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.