OpenTechnical

OT-2026-000063409

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000063409) never changes.

Identity and time

Publication numberOT-2026-000063409 · never reused
Internal UUID01a0ae8c-f944-78c3-b8b1-d59f18fc0138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063409
StatusPUBLIC

Content hashes

Canonical text71073cfae6dee78f6c0fd74e6d66eb74d5a6c8446aeace3853ab2a175146c1f1
Markdownfc9a82779f2043dccf4f6887d744ed8164ae12da67a98e3b9c1253f2168a0226
PDF
Publication pagef672008fc3563f56a4f44163adae85ad5bdb1d192b219139aa77ffd729e95709
Manifest272e21b06ef2254faf7311931b9d525d93bfa15f80c71e5cebbdc1f7f8e89ea9

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
SignatureNgLnIPYrn2E9wqAH+e2BKynKHF/Ao5XvKC5E2YtGS8wNG9aF7tnSboukBalxi2DP0/d4xSZ9I0aq8khkx75QAQ==
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

2026-09-17T10:37:19.738732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063409
observed f672008fc3563f56a4f44163adae85ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.719404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063409/manifest.json
observed 272e21b06ef2254faf7311931b9d525d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.699170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063409/publication.md
observed fc9a82779f2043dccf4f6887d744ed81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.681548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063409/publication.txt
observed 71073cfae6dee78f6c0fd74e6d66eb74...
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.