OpenTechnical

OT-2026-000074436

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074436) never changes.

Identity and time

Publication numberOT-2026-000074436 · never reused
Internal UUID01a0ae93-717a-709f-bf44-d5f1b10d74da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074436
StatusPUBLIC

Content hashes

Canonical textff0945c18021fa7c15d4f33de5b000543c02ea1f858163a7c792427be38c7503
Markdown5bb4c31f43162df009d31785959e87c2e99cbd75ca8ac89dc1e1e92be57a1b1f
PDF
Publication pageb44c53268644f74ff1798e0a9ae714f36d72acb594efe0cdc785b2ce7e1b9d07
Manifestd843af854dd2e6058b177c969d728b60c9c46311f31eb17e82ae7d263f97f3ba

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
SignatureDYqWeGsysWAkzR2wKtSeBOFPchHQ/59jf6MXfpghm3Uf2Pz5/DvDko8fJ3KbhaW6mt9ZZ8kv0Z94VBwjWz9TCQ==
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

2026-09-17T10:19:23.299654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074436
observed b44c53268644f74ff1798e0a9ae714f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.278691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074436/manifest.json
observed d843af854dd2e6058b177c969d728b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.259702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074436/publication.md
observed 5bb4c31f43162df009d31785959e87c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.241657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074436/publication.txt
observed ff0945c18021fa7c15d4f33de5b00054...
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.